DP Tool Club 12/CD_ASCQ_12_0294.iso/news/2386/hdtsv3/hd.mem

Text File | 1993-01-18 | 90KB | 4,197 lines

┌────────────────────────────────┐
│ Hard Disk Tech Specs(tm)  v3.0 │
└────────────────────────────────┘
  Hard Drive Solutions Family(tm)

//00
32K buffer
3448 RPM

<M/S>
HSP      DSP      ACT      C/D
Open     Open     Closed   Closed
Open     Closed   * 2      Closed
* 3      Open     * 2      Open

1.  Look for a block of 10 pairs (MS2 is the first pair on the
    left, and C/D is the last pair on the right).
2.  In a 2-drive system, both drives will operate the LED when
    ACT is closed (DO NOT CLOSE WHEN HSP IS CLOSED).
3.  Close HSP on slave when master requires a slave present
    signal to be applied to the LED CHAIN line.
4.  To configure power save mode, observe the following:
    MS0:  Closed - Standby mode.
          Open   - Idle mode(1).
    MS1:  Closed - Idle mode(2) enabled.
          Open   - Idle mode(2) disabled.
    MS2:  Closed - 3-minute timer default.
          Open   - Timer default set via power commands
                   (timer set via power commands, ranging from
                   60 - 1100 seconds in 5-second intervals).
    MS3:  Closed - Standby mode(2) (host must support IO CHRDY).

5.  THIS DRIVE CANNOT USE THE OPTIMAL TRANSLATION!
    You must specify which translation to use as follows:
    DC:   Closed - 527 cylinders, 8 heads, 49 sectors.
          Open   - 732 cylinders, 8 heads, 35 sectors
                   (also, with DC open, you may specify the
                   drive's specs via the Set Params command,
                   which must be issued to the drive following
                   power on and reset).
//01
32K buffer
3448 RPM

1.  Look for a block of 10 pairs (MS2 is the first pair on the
    left;  all should be clearly labeled).
2.  To configure power save mode, observe the following:
    MS0:  Closed - Standby mode.
          Open   - Idle mode(1).
    MS1:  Closed - Idle mode(2) enabled.
          Open   - Idle mode(2) disabled.
    MS2:  Closed - 3-minute timer default.
          Open   - Timer default set via power commands
                   (timer set via power commands, ranging from
                   60 - 1100 seconds in 5-second intervals).
    MS3:  Closed - Standby mode(2) (host must support IO CHRDY).
//02
32K buffer
3448 RPM

<M/S>
HSP      DSP      ACT      C/D
Open     Open     Closed   Closed
Open     Closed   * 2      Closed
* 3      Open     * 2      Open

1.  Look for a block of 10 pairs (MS2 is the first pair on the
    left, and C/D is the last pair on the right).
2.  In a 2-drive system, both drives will operate the LED when
    ACT is closed (DO NOT CLOSE WHEN HSP IS CLOSED).
3.  Close HSP on slave when master requires a slave present
    signal to be applied to the LED CHAIN line.
4.  To configure power save mode, observe the following:
    MS0:  Closed - Standby mode.
          Open   - Idle mode(1).
    MS1:  Closed - Idle mode(2) enabled.
          Open   - Idle mode(2) disabled.
    MS2:  Closed - 3-minute timer default.
          Open   - Timer default set via power commands
                   (timer set via power commands, ranging from
                   60 - 1100 seconds in 5-second intervals).
    MS3:  Closed - Standby mode(2) (host must support IO CHRDY).

5.  THIS DRIVE CANNOT USE THE OPTIMAL TRANSLATION!
    You must specify which translation to use as follows:
    DC:   Closed - 527 cylinders, 8 heads, 49 sectors.
          Open   - 732 cylinders, 8 heads, 35 sectors
                   (also, with DC open, you may specify the
                   drive's specs via the Set Params command,
                   which must be issued to the drive following
                   power on and reset).
//03
32K buffer
3448 RPM

1.  Look for a block of 10 pairs (MS2 is the first pair on the
    left;  all should be clearly labeled).
2.  To configure power save mode, observe the following:
    MS0:  Closed - Standby mode.
          Open   - Idle mode(1).
    MS1:  Closed - Idle mode(2) enabled.
          Open   - Idle mode(2) disabled.
    MS2:  Closed - 3-minute timer default.
          Open   - Timer default set via power commands
                   (timer set via power commands, ranging from
                   60 - 1100 seconds in 5-second intervals).
    MS3:  Closed - Standby mode(2) (host must support IO CHRDY).
//04
Solid state, uses 8MB SIMMs
//05
32KB buffer, 1565 RPM.
//06
256 bytes per sector
//07
512 bytes per sector
//08
256 bytes per sector
//09
512 bytes per sector
//0A
256 bytes per sector
//0B
512 bytes per sector
//0C
256 bytes per sector
//0D
512 bytes per sector
//0E
~Seagate ST4085
//0F
~Seagate ST4085P
//0G
~Seagate ST4086
//0H
~Seagate ST4086P
//0I
~Seagate ST4097
//0J
~Seagate ST4097P
//0K
~Seagate ST4135R
//0L
~Seagate ST4182N
8K buffer
//0M
~Seagate ST4182E
8K buffer
//0N
* MZR
//0O
* MZR
//0P
* MZR
//0Q
* MZR
//0R
~Seagate ST4350N
32K buffer
ZBR
//0S
~Seagate ST4350N
32K buffer
ZBR
//0T
~Seagate ST4376N
32K buffer
ZBR
//0U
~Seagate ST4376N
32K buffer
ZBR
//0V
~Seagate ST4385N
ZBR
//0W
~Seagate ST4385N
ZBR
//0X
~Seagate ST4385N
ZBR
//0Y
* MZR
//0Z
~Seagate ST4702N
ZBR
//10
~Seagate ST4702N
ZBR
//11
~Seagate ST4383E
//12
~Seagate ST4384E
Some models are actually 94186-442, but are intentionally
limited to use only 1224 cylinders.  By removing the 5th jumper,
these models can then access their full 1412 cylinders
(yielding the same capacity as a 94186-442).
//13
~Seagate ST4442E
//14
~Seagate ST4766N
//15
~Seagate ST4766E
//16
~Seagate ST274A
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 should not be adjusted.
//17
~Seagate ST280A
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 settings depend upon model number:
        94204-xx    Do not adjust J2.
        94204-xxC   J2 closed indicates no slave present.
                    J2 open signals slave present.
//18
~Seagate ST280A
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 settings depend upon model number:
        94204-xx    Do not adjust J2.
        94204-xxC   J2 closed indicates no slave present.
                    J2 open signals slave present.
//19
~Seagate ST274A
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 should not be adjusted.
//1A
~Seagate ST280A
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 settings depend upon model number:
        94204-xx    Do not adjust J2.
        94204-xxC   J2 closed indicates no slave present.
                    J2 open signals slave present.
//1B
~Seagate ST280A
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 settings depend upon model number:
        94204-xx    Do not adjust J2.
        94204-xxC   J2 closed indicates no slave present.
                    J2 open signals slave present.
//1C
Compaq OEM
//1D
Compaq OEM
//1E
~Seagate ST253
Compaq OEM
//1F
Compaq OEM
//1G
~Seagate ST279R
Compaq OEM
//1H
Compaq OEM
//1I
Compaq OEM
//1J
Compaq OEM
//1K
~Seagate ST2106N
AKA CDC 94211-106 Wren III
8K buffer
//1L
~Seagate ST2106N
AKA CDC 94211-091 Wren III
8K buffer
//1M
~Seagate ST2125N
32K buffer
ZBR
//1N
~Seagate ST2106E
8K buffer
//1O
* MZR
//1P
* MZR
//1Q
* MZR
//1R
~Seagate ST2209N
32K buffer
ZBR
//1S
~Seagate ST2383N
32K buffer
ZBR
//1T
~Seagate ST2502N
64K buffer
ZBR
//1U
~Seagate ST2274A
32K buffer

A        B
Open     Open      Factory use only.
Open     Closed    Slave, 20-sec motor delay from master startup.
Closed   Open      Slave, no motor delay.
Closed   Closed    Master, motor starts when DC is applied.

C        D
Open     Open      Physical mode.
Open     Closed    Translate mode, one-sector sparing scheme.
Closed   Open      Translate mode, no sector sparing.
Closed   Closed    Factory use only.

E
Open               Slave present (set only on master).
Closed             No slave.

F / G              Factory test (G may not be present).
//1V
~Seagate ST2383A
32K buffer

A        B
Open     Open      Factory use only.
Open     Closed    Slave, 20-sec motor delay from master startup.
Closed   Open      Slave, no motor delay.
Closed   Closed    Master, motor starts when DC is applied.

C        D
Open     Open      Physical mode.
Open     Closed    Translate mode, one-sector sparing scheme.
Closed   Open      Translate mode, no sector sparing.
Closed   Closed    Factory use only.

E
Open               Slave present (set only on master).
Closed             No slave.

F / G              Factory test (G may not be present).
//1W
~Seagate ST2383E
32K buffer
//1X
~Seagate ST1090N
32K buffer
//1Y
~Seagate ST1111N
32K buffer
//1Z
~Seagate ST1126N
32K buffer
//20
~Seagate ST1133NS
32K buffer
//21
~Seagate ST1156N
32K buffer
//22
~Seagate ST1156NS
32K buffer
//23
~Seagate ST1162N
32K buffer
//24
~Seagate ST1186N
32K buffer
//25
~Seagate ST1186NS
32K buffer
//26
~Seagate ST1201N
32K buffer
//27
~Seagate ST1201NS
32K buffer
//28
~Seagate ST1239NS
32K buffer
//29
~Seagate ST1239NS
32K buffer
//2A
~Seagate ST1090A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2B
~Seagate ST1111A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2C
~Seagate ST1126A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2D
~Seagate ST1133A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2E
~Seagate ST1156A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2F
~Seagate ST1162A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2G
~Seagate ST1186A
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2H
~Seagate ST1201A
32K buffer
//2I
~Seagate ST1239A
AKA CDC 94354-239 Swift
32K SeaCache

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2J
~Seagate ST1239A
AKA CDC 94354-230 Swift
32K SeaCache

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2K
~Seagate ST1100
32K buffer
//2L
~Seagate ST1150R
//2M
~Seagate ST1156R
32K buffer
//2N
~Seagate ST1111E
32K buffer
//2O
~Seagate ST1156E
32K buffer
//2P
~Seagate ST1201E
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//2Q
~Seagate ST41200N
256K buffer
ZBR
//2R
~Seagate ST41200N
256K buffer
ZBR
//2S
~Seagate ST4767E
Runner II
MZR
//2T
~Seagate ST4767E
Runner II
//2U
~Seagate ST4767E
Runner II
//2V
~Seagate ST4769E
Runner II
//2W
~Seagate ST6344J
2 heads per side
//2X
~Seagate ST6515J
2 heads per side
//2Y
~Seagate ST81236J
Dual port
//2Z
~Seagate ST82272J
Dual port
//30
~Seagate ST82500J
Dual port
//31
~Seagate ST81123J
Dual port
//32
~Seagate ST8368J
//33
~Seagate ST8500J
//34
~Seagate ST8741J
//35
~Seagate ST8851J
//36
~Seagate ST81236N
Dual port
//37
~Seagate ST82500N
//38
~Seagate ST8368N
//39
~Seagate ST8500N
//3A
~Seagate ST8741N
//3B
~Seagate ST8851N
//3C
~Seagate ST81236K
Dual port
//3D
~Seagate ST82500K
//3E
~Seagate ST81154K
Dual port
2 heads accessed simultaneously
//3F
~Seagate ST82368K
9 heads accessed simultaneously
//3G
~Seagate ST41201J
256K buffer
5400 RPM
ZBR
//3H
~Seagate ST41520N and ST41520ND
5400 RPM
ZBR
//3I
MZR
//3J
~Seagate ST41600N, ST41600ND, ST41601N, and ST41601ND
5400 RPM
ZBR
//3K
~Seagate ST41201K
256K buffer
5400 RPM
ZBR
//3L
~Seagate ST41650N
ZBR
//3M
8K buffer
//3N
8K buffer
//3O
32K buffer, 3486 RPM
Low-voltage (5V), sleep mode (0.3W)
High shock resistance (100G's)

<Master / Slave>
Single    E1    E2
  /       X  |  o
Master    X  |  o

Slave     E1    E2
          o  |  o
          XXXXXXX
//3P
32K buffer, 3486 RPM
Weight - 7oz

<Master / Slave>
Single    M/S   C/D
  /       X  |  o
Master    X  |  o

Slave     M/S   C/D
          o  |  o
          XXXXXXX
//3Q
32K buffer, 3486 RPM
Weight - 7oz

<Master / Slave>
Single    M/S   C/D
  /       X  |  o
Master    X  |  o

Slave     M/S   C/D
          o  |  o
          XXXXXXX
//3R
32K buffer, 3486 RPM
Low-voltage (5V), sleep mode (0.3W)
High shock resistance (100G's)

<Master / Slave>
Single    E1    E2
  /       X  |  o
Master    X  |  o

Slave     E1    E2
          o  |  o
          XXXXXXX
//3S
32K buffer, 3486 RPM

<Master / Slave>
Single    M/S   C/D
  /       X  |  o
Master    X  |  o

Slave     M/S   C/D
          o  |  o
          XXXXXXX
//3T
32K buffer, 3486 RPM

<Master / Slave>
Single    E1    E2
  /       X  |  o
Master    X  |  o

Slave     E1    E2
          o  |  o
          XXXXXXX
//3U
32K buffer, 3776 RPM

<Master / Slave>
Single    M/S   C/D
  /       X  |  o
Master    X  |  o

Slave     M/S   C/D
          o  |  o
          XXXXXXX
//3V
8K buffer, 3557 RPM

<M/S>
HSP     C/D      DSP      ACT
Open    Closed   Open     Closed
Open    Closed   Closed   Open
Open    Open     Open     Open

1.  Block of 4 pairs located toward rear of drive running
    parallel to right edge (HSP furthest from back of drive,
    ACT is closest to back of drive).
2.  HSP not used.
//3W
64K buffer
3399 RPM
//3X
64K buffer, 3399 RPM

<M/S>
E1      DSP     C/D
Open    Open    Closed
Open    Closed  Closed
Open    Open    Open

1.  Block of 3 pairs located toward front of drive on left
    edge (E1 is closest to front, C/D is furthest from front).
2.  E1 not used.
//3Y
32K buffer, 3399 RPM

<M/S>
E1      DSP     C/D
Open    Open    Closed
Open    Closed  Closed
Open    Open    Open

1.  Block of 3 pairs located toward front of drive on left
    edge (E1 is closest to front, C/D is furthest from front).
2.  E1 not used.
//3Z
64K buffer
3399 RPM
//40
64K buffer, 3400 RPM
//41
64K buffer, 3833 RPM
//42
64K buffer, 3400 RPM

<M/S>
E1      DSP     C/D
Open    Open    Closed
Open    Closed  Closed
Open    Open    Open

1.  Block of 3 pairs located toward front of drive on left
    edge (E1 is closest to front, C/D is furthest from front).
2.  E1 not used.
//43
64K buffer, 3833 RPM

<M/S>
C/D
Closed
Closed
Open
//44
64K buffer, 3399 RPM
//45
Compaq OEM
64K buffer, 3399 RPM
//46
64K buffer, 3399 RPM

<M/S>
E1      DSP     C/D
Open    Open    Closed
Open    Closed  Closed
Open    Open    Open

1.  Block of 3 pairs located toward front of drive on left
    edge (E1 is closest to front, C/D is furthest from front).
2.  E1 not used.
//47
32K buffer, 3399 RPM

<M/S>
E1      DSP     C/D
Open    Open    Closed
Open    Closed  Closed
Open    Open    Open

1.  Block of 3 pairs located toward front of drive on left
    edge (E1 is closest to front, C/D is furthest from front).
2.  E1 not used.
//48
64K buffer, 3399 RPM
//49
64K buffer, 3833 RPM
//4A
64K buffer, 3833 RPM

<M/S>
C/D
Closed
Closed
Open
//4B
256K buffer, 4500 RPM
//4C
256K buffer, 4500 RPM

<M/S>
C/D     E1     E2     E3
Closed  Open   Open   Open
Closed  Open   Open   Open
Open    Open   Open   Open

1.  Block of 4 pairs located on left edge of drive, midway
    between the fron and back of drive (C/D is closest to
    front, E3 is closest to back).
2.  E1, E2, and E3 not used.
//4D
Compaq OEM, special interface
//4E
Zenith OEM
//4F
64K buffer, 4542 RPM

<M/S>
C/D       ATA/ISA
Closed    Open
Closed    * see 2.
Open      * see 2.

1.  Header of 9 pairs located at extreme front of drive
    (C/D is furthest from left edge, ATA/ISA is next to C/D,
    and remaining pairs are not referenced).
2.  ATA/ISA may need to be jumpered when this drive is
    installed with another manufacturer's drive.
//4G
8K buffer, 3557 RPM
//4H
Compaq OEM
Proprietary interface
8K buffer
3557 RPM
//4I
8K buffer, 3557 RPM

<M/S>
HSP     C/D      DSP      ACT
Open    Closed   Open     Closed
Open    Closed   Closed   Open
Open    Open     Open     Open

1.  Block of 4 pairs located toward rear of drive running
    parallel to right edge (HSP furthest from back of drive,
    ACT is closest to back of drive).
2.  HSP not used.
//4J
Apple OEM
8K buffer, 3557 RPM
//4K
256K buffer, 5400 RPM

Sectors per track actually varies from 60 - 90 (MZR).

Transfer rate actually varies from 28.4 - 43.1Mb/s.
//4L
16K buffer, 3575 RPM
//4M
32K buffer, 3575 RPM

<M/S>
HSP     C/D      DSP      ACT
Open    Closed   Open     Closed
Open    Closed   Closed   Open
Open    Open     Open     Open

1.  Block of 4 pairs located between interface connector and
    right edge of drive (HSP closest to edge of drive, ACT
    closest to interface connector).
2.  HSP not used.
//4N
32K buffer, 3575 RPM

<M/S>
HSP     C/D      DSP      ACT
Open    Closed   Open     Closed
Open    Closed   Closed   Open
Open    Open     Open     Open

1.  Block of 4 pairs located between interface connector and
    right edge of drive (HSP closest to edge of drive, ACT
    closest to interface connector).
2.  HSP not used.
//4O
16K, Compaq, special interface
//4P
Compaq OEM, special interface
//4Q
32K buffer, 3822 RPM
//4R
16K buffer, 3575 RPM
//4S
32K buffer, 3575 RPM

<M/S>
HSP     C/D      DSP      ACT
Open    Closed   Open     Closed
Open    Closed   Closed   Open
Open    Open     Open     Open

1.  Block of 4 pairs located between interface connector and
    right edge of drive (HSP closest to edge of drive, ACT
    closest to interface connector).
2.  HSP not used.
//4T
64K buffer, 3485 RPM
//4U
Compaq OEM
64K buffer, 3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//4V
Compaq OEM
64K buffer, 3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//4W
Compaq OEM
64K buffer, 3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//4X
64K buffer, 3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//4Y
64K buffer, 3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//4Z
Compaq OEM (special interface)
//50
256K buffer, 4500 RPM

<M/S>
C/D
Closed
Closed
Open

Spin-up       E1
 enabled      Open
 disabled     Closed

E2, E3 (not used)
//51
3:1 interleave (Compaq)
//52
1:1 interleave (Compaq)
//53
For Zenith portable
//54
256K buffer, 3609 RPM
//55
256K buffer, 3609 RPM
//56
256K seg buffer, 4500 RPM
//57
256K buffer, 4500 RPM

<M/S>
C/D
Closed
Closed
Open

Spin-up       E1
 enabled      Open
 disabled     Closed

E2, E3 (not used)
//58
8K buffer
//59
8K buffer
//5A
32K buffer
//5B
OEM from CDC
//5C
OEM from CDC
//5D
OEM from CDC
~Seagate ST253
//5E
OEM from CDC
//5F
OEM from CDC
~Seagate ST279R
//5G
OEM from CDC
//5H
OEM from CDC
//5I
OEM from CDC
//5J
OEM from Conner
64K buffer
3399 RPM
//5K
OEM from Conner
Proprietary interface
//5L
OEM from Conner
Proprietary interface
8K buffer
3557 RPM
//5M
OEM from Conner
Proprietary interface
16K buffer
//5N
OEM from Conner
Proprietary interface
//5O
OEM from Conner
64K buffer
3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//5P
OEM from Conner
64K buffer
3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//5Q
OEM from Conner
64K buffer
3485 RPM

<M/S>
N/A    C/D      DSP
N/A    Closed   Open
N/A    Closed   Closed
N/A    Open     Open

1.  Located on left edge of drive (N/A nearest edge of drive,
    DSP furthest away from edge of drive).
2.  N/A may have its pairs missing, but in any event is
    not used.
//5R
OEM from Conner
Proprietary interface
//5S
OEM from Conner
3:1 interleave
//5T
OEM from Conner
1:1 interleave
//5U
OEM from Rodime Systems
16K cache
//5V
OEM from Rodime Systems
48K cache
//5W
OEM from Rodime Systems
16K cache
//5X
OEM from Rodime Systems
16K cache
//5Y
Conner CP-344 (OEM).
//5Z
Conner CP-3044, 8K buffer
//60
Removable
//61
Removable
//62
Retired
//63
Retired
//64
Retired
//65
3490 RPM
//66
3490 RPM
//67
3490 RPM
//68
3490 RPM
//69
3490 RPM
//6A
3490 RPM
//6B
* 24-96, 64KB cache
//6C
64K cache
//6D
64K cache
//6E
* 24-96, 64KB cache
//6F
64K cache
//6G
256K cache
//6H
256K cache
//6I
64K cache
3490 RPM

<M/S>
SW2-1      SW2-2      SW2-3
On         Off        Off
On         Off        On
Off        On         On

1.  SW2:  Look for a block of 6 dip switches at the center of
          the drive (SW2-4, -5, and -6 are off by default).
2.  SW1:  Look for a block of 4 dip switches just below SW2
          Default settings are...
             SW1-1      SW1-2      SW1-3      SW1-4
             On         Off        Off        On
//6J
3490 RPM
64K cache
Macintosh
//6K
3490 RPM
64K cache
//6L
64K cache
3490 RPM

<Master/Slave>
         --[ CNH-1 ]-      --[ CNH-2 ]-
         7-8      8-9      1-2      4-5
Single:  Open     Closed   Open     Closed
Master:  Closed   Open     Open     Closed
Slave :  Closed   Open     Closed   Open

1.  CNH-1:  Look for a right-angle header consisting of 12 pins
            (runs along the back of the drive).  Pin 1 is closest
            the 4-pin power connector.
2.  CNH-2:  Look for a right-angle header consisting of 9  pins
            (runs parallel to CNH-1, but is further from the back
            edge of the drive, and toward one side).  Pin 1 is
            closest the 4-pin power connector.
//6M
64K cache
3490 RPM

<M/S>
SW2-1      SW2-2      SW2-3
On         Off        Off
On         Off        On
Off        On         On

1.  SW2:  Look for a block of 6 dip switches at the center of
          the drive (SW2-4, -5, and -6 are off by default).
2.  SW1:  Look for a block of 4 dip switches just below SW2
          Default settings are...
             SW1-1      SW1-2      SW1-3      SW1-4
             On         Off        Off        On
//6N
64K cache
3490 RPM
Macintosh
//6O
64K cache
3490 RPM
//6P
64K cache
3490 RPM

<Master/Slave>
         --[ CNH-1 ]-      --[ CNH-2 ]-
         7-8      8-9      1-2      4-5
Single:  Open     Closed   Open     Closed
Master:  Closed   Open     Open     Closed
Slave :  Closed   Open     Closed   Open

1.  CNH-1:  Look for a right-angle header consisting of 12 pins
            (runs along the back of the drive).  Pin 1 is closest
            the 4-pin power connector.
2.  CNH-2:  Look for a right-angle header consisting of 9  pins
            (runs parallel to CNH-1, but is further from the back
            edge of the drive, and toward one side).  Pin 1 is
            closest the 4-pin power connector.
//6Q
64K cache
3490 RPM

<M/S>
SW2-1      SW2-2      SW2-3
On         Off        Off
On         Off        On
Off        On         On

1.  SW2:  Look for a block of 6 dip switches at the center of
          the drive (SW2-4, -5, and -6 are off by default).
2.  SW1:  Look for a block of 4 dip switches just below SW2
          Default settings are...
             SW1-1      SW1-2      SW1-3      SW1-4
             On         Off        Off        On
//6R
64K cache
3490 RPM
Macintosh
//6S
64K cache
3490 RPM
//6T
64K cache
3490 RPM

<Master/Slave>
         --[ CNH-1 ]-      --[ CNH-2 ]-
         7-8      8-9      1-2      4-5
Single:  Open     Closed   Open     Closed
Master:  Closed   Open     Open     Closed
Slave :  Closed   Open     Closed   Open

1.  CNH-1:  Look for a right-angle header consisting of 12 pins
            (runs along the back of the drive).  Pin 1 is closest
            the 4-pin power connector.
2.  CNH-2:  Look for a right-angle header consisting of 9  pins
            (runs parallel to CNH-1, but is further from the back
            edge of the drive, and toward one side).  Pin 1 is
            closest the 4-pin power connector.
//6U
64K cache
3490 RPM

<M/S>
SW2-1      SW2-2      SW2-3
On         Off        Off
On         Off        On
Off        On         On

1.  SW2:  Look for a block of 6 dip switches at the center of
          the drive (SW2-4, -5, and -6 are off by default).
2.  SW1:  Look for a block of 4 dip switches just below SW2
          Default settings are...
             SW1-1      SW1-2      SW1-3      SW1-4
             On         Off        Off        On
//6V
64K cache
3490 RPM
Macintosh
//6W
64K cache
3490 RPM
//6X
64K cache
3490 RPM

<Master/Slave>
         --[ CNH-1 ]-      --[ CNH-2 ]-
         7-8      8-9      1-2      4-5
Single:  Open     Closed   Open     Closed
Master:  Closed   Open     Open     Closed
Slave :  Closed   Open     Closed   Open

1.  CNH-1:  Look for a right-angle header consisting of 12 pins
            (runs along the back of the drive).  Pin 1 is closest
            the 4-pin power connector.
2.  CNH-2:  Look for a right-angle header consisting of 9  pins
            (runs parallel to CNH-1, but is further from the back
            edge of the drive, and toward one side).  Pin 1 is
            closest the 4-pin power connector.
//6Y
64K cache
3490 RPM

<M/S>
SW2-1      SW2-2      SW2-3
On         Off        Off
On         Off        On
Off        On         On

1.  SW2:  Look for a block of 6 dip switches at the center of
          the drive (SW2-4, -5, and -6 are off by default).
2.  SW1:  Look for a block of 4 dip switches just below SW2
          Default settings are...
             SW1-1      SW1-2      SW1-3      SW1-4
             On         Off        Off        On
//6Z
64K cache
3490 RPM
Macintosh
//70
64K cache
3490 RPM
//71
64K cache
3490 RPM

<Master/Slave>
         --[ CNH-1 ]-      --[ CNH-2 ]-
         7-8      8-9      1-2      4-5
Single:  Open     Closed   Open     Closed
Master:  Closed   Open     Open     Closed
Slave :  Closed   Open     Closed   Open

1.  CNH-1:  Look for a right-angle header consisting of 12 pins
            (runs along the back of the drive).  Pin 1 is closest
            the 4-pin power connector.
2.  CNH-2:  Look for a right-angle header consisting of 9  pins
            (runs parallel to CNH-1, but is further from the back
            edge of the drive, and toward one side).  Pin 1 is
            closest the 4-pin power connector.
//72
4400 RPM
240K cache
ZBR: 4-zone
1 extra head (disk surface) for sparing
//73
4400 RPM
64K cache
ZBR: 4-zone
//74
4400 RPM
64K cache
ZBR: 4-zone

<M/S>
SW-5
Off
Off
On

1.  Look for a block of 6 dip switches immediately in front
    of the interface connector (SW-1 is the switch furthest
    from pin-1 of the interface connector).
2.  SW-1, when on, applies IORDY to pin-27.
3.  SW-2, when on, applies Spindle Sync to pin-28.
4.  SW-3, when on, write-protects the drive.
5.  SW-4, when on, selects 7-byte ECC.
6.  YOU MUST LEAVE SW-6 IN WHATEVER POSITION IT LEFT THE FACTORY!
//75
4400 RPM,240K cache,ZBR:4-zone
//76
4400 RPM
64K cache
ZBR: 4-zone

<M/S>
SW-5
Off
Off
On

1.  Look for a block of 6 dip switches immediately in front
    of the interface connector (SW-1 is the switch furthest
    from pin-1 of the interface connector).
2.  SW-1, when on, applies IORDY to pin-27.
3.  SW-2, when on, applies Spindle Sync to pin-28.
4.  SW-3, when on, write-protects the drive.
5.  SW-4, when on, selects 7-byte ECC.
6.  YOU MUST LEAVE SW-6 IN WHATEVER POSITION IT LEFT THE FACTORY!
//77
4400 RPM
64K cache
ZBR: 4-zone
//78
4400 RPM
64K cache
ZBR: 4-zone
//79
4400 RPM
64K cache
ZBR: 4-zone

<M/S>
SW-5
Off
Off
On

1.  Look for a block of 6 dip switches immediately in front
    of the interface connector (SW-1 is the switch furthest
    from pin-1 of the interface connector).
2.  SW-1, when on, applies IORDY to pin-27.
3.  SW-2, when on, applies Spindle Sync to pin-28.
4.  SW-3, when on, write-protects the drive.
5.  SW-4, when on, selects 7-byte ECC.
6.  YOU MUST LEAVE SW-6 IN WHATEVER POSITION IT LEFT THE FACTORY!
//7A
5400 RPM
//7B
5400 RPM. 256K cache
//7C
5400 RPM, Dual port
//7D
5400 RPM. 256K cache
//7E
5400 RPM  256K cache
//7F
5400 RPM  256K cache
//7G
5400 RPM. 256K cache
//7H
4340 RPM
//7I
32K RLA cache
3540 RPM
1 spare sector/track

<M/S>
JP1-2
Open
Open
Closed

1.  Look for a block of jumpers toward the rear of the drive
    (JP1-2 is the second pair from the left).
//7J
32K RLA cache
4005 RPM
1 spare sector/track

<M/S>
JP1-2
Open
Open
Closed

1.  Look for a block of jumpers toward the rear of the drive
    (JP1-2 is the second pair from the left).
//7K
32K cache
//7L
32K cache
//7M
64K cache
//7N
3348 RPM, 16K buffer, OEM only
//7O
OEM only
//7P
3348 RPM, 16K buffer, OEM only
//7Q
3348 RPM, 16K buffer, OEM only
//7R
3348 RPM, 16K buffer, OEM only
//7S
OEM only
//7T
3348 RPM, 16K buffer, OEM only
//7U
3348 RPM, 16K buffer, OEM only
//7V
3348 RPM, 16K buffer, OEM only
//7W
OEM only
//7X
3348 RPM, 16K buffer, OEM only
//7Y
3348 RPM, 16K buffer, OEM only
//7Z
4002 RPM, 64K buffer, OEM only
//80
4002 RPM, OEM only
//81
4002 RPM,64K buf,OEM only, R/S
//82
4002 RPM, 64K buffer, OEM only
//83
4002 RPM,64K buf,OEM only, R/S
//84
4002 RPM, 64K buffer, OEM only
//85
4002 RPM, OEM only
//86
4002 RPM,64K buf,OEM only, R/S
//87
4002 RPM, 64K buffer, OEM only
//88
4002 RPM,64K buf,OEM only, R/S
//89
4002 RPM,128K buf,OEM only,R/S
//8A
4002 RPM,128K buf,OEM only,R/S
//8B
4002 RPM, OEM only
//8C
4002 RPM,128K buf,OEM only,R/S
//8D
4002 RPM,128K buf,OEM only,R/S
//8E
4002 RPM, OEM only
//8F
4002 RPM,128K buf,OEM only,R/S
//8G
4002 RPM,128K buf,OEM only,R/S
//8H
4002 RPM, OEM only
//8I
4002 RPM,128K buf,OEM only,R/S
//8J
4002 RPM,128K buf,OEM only,R/S
//8K
* MZR, 64K buffer, R/S ECC
//8L
* MZR, 64K buffer, R/S ECC
//8M
* MZR:3-zone, 64K buf, R/S ECC
//8N
Discontinued OCT90.
//8O
Discontinued OCT90.
//8P
64K cache
//8Q
64K cache
//8R
64K cache, 4316 RPM, WDSC8320
//8S
128K cache, 4316 RPM, WDSC8400
//8T
Miniscribe MS1012 (OEM)
//8U
PS/1
//8V
8525
//8W
8525, 8530
//8X
8525, 8530
//8Y
5170 (AT)
//8Z
5162 (XT-286)
//90
5160, 5161
//91
PS/1
//92
PS/1
//93
PS/2 Model 70 only.
//94
PS/2 Model 70 only.
//95
32K cache
//96
32K cache
//97
32K buffer, 3571 RPM
//98
3571 RPM
//99
Special JVC interface
//9A
32K buffer, 3662 RPM
//9B
64K buffer, 3662 RPM
//9C
8K buffer, 3375 RPM
//9D
Head lifter (more shock proof)
//9E
Never made it to production.
//9F
Head lifter (more shock proof)
//9G
Never made it to production.
//9H
Never made it to production.
//9I
32K cache, portable, external
//9J
32K cache, portable
//9K
32K cache, portable cartridge
//9L
32K cache, portable
//9M
32K cache, portable cartridge
//9N
64K cache, portable
//9O
64K cache, portable cartridge
//9P
64K cache, portable
//9Q
64K, parallel option, portable
//9R
64K, parallel option, portable
//9S
64K, parallel option, portable
//9T
32K, parallel option, portable
//9U
64K, parallel option, portable
//9V
64K, parallel option, portable
//9W
64K, parallel option, portable
//9X
* 24-48 sectors, 32K cache
//9Y
* 24-48 sectors, 32K cache
//9Z
3703 RPM
//A0
3703 RPM
//A1
64K cache, 3524 RPM
//A2
64K cache, 3524 RPM
//A3
32K cache, 3703 RPM
//A4
32K cache, 3703 RPM
//A5
64K cache, 3524 RPM
//A6
64K cache, 3524 RPM
//A7
64K, physical 1690 x 4 x ZBR
//A8
64K cache
//A9
31 sectors + 1 spare
//AA
31 sectors + 1 spare
//AB
32K/128K, MZR:6-zone, 56 ECC
//AC
32K/128K, MZR:6-zone, 56 ECC
//AD
128K, MZR: 8-zone, 56-bit ECC
//AE
128K, MZR: 8-zone, 56-bit ECC
//AF
128K, MZR: 8-zone, 56-bit ECC
//AG
128K, MZR: 8-zone, 56-bit ECC
//AH
128K, MZR: 8-zone, 56-bit ECC
//AI
128K, MZR: 8-zone, 56-bit ECC
//AJ
256K, MZR: 4-zone, 56-bit ECC
//AK
256K cache, 56-bit ECC
//AL
256K cache, 56-bit ECC
//AM
256K cache, 56-bit ECC
//AN
256K buffer, WORM
//AO
* Standard = 6.8, ZCAV = 10
//AP
Brushless DC spindle motor
//AQ
Brushless DC spindle motor
//AR
Brushless DC spindle motor
//AS
Brushless DC spindle motor
//AT
Brushless DC spindle motor
//AU
32K cache, 3484 RPM
//AV
256K cache
//AW
Brushless DC spindle motor
//AX
45K read-ahead cache
//AY
256K segmented cache
//AZ
45K dual-port read-ahead cache
//B0
256K cache
//B1
Brushless DC spindle motor
//B2
45K read-ahead cache
//B3
256K segmented cache
//B4
Brushless DC spindle motor
//B5
64K buffer
//B6
64K lookahead cache
Feature to install Novell Compusurf in less than 5 minutes
Can co-exist with MFM, RLL, ESDI, and IDE drives
//B7
64K lookahead cache
Feature to install Novell Compusurf in less than 5 minutes
Can co-exist with MFM, RLL, ESDI, and IDE drives
//B8
64K buffer
//B9
64K buffer
//BA
32K buffer
//BB
32K buffer
//BC
32K buffer
//BD
8K buffer
//BE
3:1 interleave
//BF
64K cache
//BG
Removable media
//BH
Removable media
//BI
16K buffer
//BJ
16K buffer
//BK
16K buffer
//BL
16K buffer
//BM
16K buffer
//BN
256K cache
//BO
256K cache
//BP
256K cache
//BQ
256K cache
//BR
64K buffer
//BS
64K buffer
//BT
64K buffer
//BU
64K buffer
//BV
64K buffer
//BW
64K buffer
//BX
64K buffer
//BY
64K buffer
//BZ
64K buffer, high speed option
//C0
256K buffer
//C1
256K buffer
//C2
256K cache
//C3
256K cache
//C4
256K cache, high speed option
//C5
64K cache, high-speed option
//C6
64K cache, Mac or PC
//C7
64K, Mac/PC, high speed option
//C8
MZR
//C9
MZR
//CA
MZR
//CB
MZR
//CC
MZR
//CD
MZR
//CE
MZR
//CF
MZR
//CG
MZR
//CH
MZR
//CI
* MZR, 5400 RPM, 256K cache
//CJ
* MZR, 5400 RPM, 256K cache
//CK
* MZR, 5400 RPM, 256K cache
//CL
* MZR
//CM
Macintosh
//CN
Later models:  53mS avg. seek
//CO
3703 RPM, 32K buffer
//CP
3703 RPM, 32K buffer
//CQ
3703 RPM, 32K buffer
//CR
3703 RPM, 32K buffer
//CS
3484 RPM, 32K buffer
//CT
3484 RPM, 32K buffer
//CU
Macintosh
//CV
Solid state, plug-in
//CW
Solid state, plug-in
//CX
Solid state/flash, plug-in
//CY
Solid state/flash, plug-in
//CZ
Solid state
//D0
64K cache, 3565 RPM
//D1
256 bytes/sector
//D2
256 bytes/sector
//D3
32K RLA buffer
//D4
64K cache
//D5
Synchronous xfer rate = 40Mb/s
//D6
Solid state, Sync xfer 36Mb/s
//D7
Solid state, Sync xfer 36Mb/s
//D8
Solid state, Sync xfer 36Mb/s
//D9
External, Sync xfer = 38.4Mb/S
//DA
External, Sync xfer = 40.0Mb/S
//DB
External, Sync xfer = 32.0Mb/S
//DC
External, Sync xfer = 20.0Mb/S
//DD
Internal, Sync xfer = 20.0Mb/S
//DE
External, Sync xfer = 32.0Mb/S
//DF
Internal, Sync xfer = 32.0Mb/S
//DG
Internal dual drives
//DH
Internal
//DI
External, Sync xfer = 38.4Mb/S
//DJ
Internal, Sync xfer = 38.4Mb/S
//DK
External, Sync xfer = 20.0Mb/S
//DL
Internal dual drives
//DM
Internal, Sync xfer = 20.0Mb/S
//DN
External, Sync xfer = 38.4Mb/S
//DO
Internal, Sync xfer = 38.4Mb/S
//DP
External, Removable cartridge
//DQ
Internal dual drives
//DR
Internal dual drives
//DS
External
//DT
Internal (Mac /Cl, /SE, /s)
//DU
External
//DV
Internal (Mac /Cl, /SE, /s)
//DW
External
//DX
Internal (Mac /Cl, /SE, /s)
//DY
External
//DZ
Internal (Mac /Cl, /SE, /s)
//E0
Priam ID700E
//E1
Priam ID700S
//E2
8-bit card
//E3
3:1 interleave, 8-bit card
//E4
3:1 interleave, 8-bit card
//E5
1:1, 16-bit card, 64K cache
//E6
8-bit card
//E7
8-bit card
//E8
1:1, 16-bit card, 64K cache
//E9
1:1, 16-bit card, 64K cache
//EA
MZR:3-zone, 64K, 3660 RPM
//EB
MZR:2-zone, 64K, 3660 RPM
//EC
MZR:3-zone, 64K, 3660 RPM
//ED
* MZR:2-zone, 64K, 3605 RPM
//EE
* MZR:2-zone, 64K, 3605 RPM
//EF
* MZR:2-zone, 64K, 3605 RPM
//EG
* MZR:2-zone, 64K, 3605 RPM
//EH
* MZR:8-zone, 64K, 3605 RPM
//EI
* MZR:8-zone, 64K, 3605 RPM
//EJ
* MZR:8-zone, 64K cache
//EK
* MZR:8-zone, 64K cache
//EL
* MZR:2-zone, 64K, 3660 RPM
//EM
* MZR:2-zone, 64K, 3660 RPM
//EN
* MZR:8-zone, 64K cache
//EO
* MZR:8-zone, 64K cache
//EP
* MZR:3-zone, 64K, 3660 RPM
//EQ
* MZR:3-zone, 64K, 3660 RPM
//ER
* MZR:2-zone, 64K, 3660 RPM
//ES
* MZR:3-zone, 64K, 3660 RPM
//ET
* MZR:2-zone, 64K, 3660 RPM
//EU
* MZR:3-zone, 64K, 3660 RPM
//EV
1:1 interleave, 8K cache
//EW
1:1 interleave, 8K cache
//EX
Dual servo
//EY
Dual servo
//EZ
Dual servo
//F0
Dual servo
//F1
Dual servo
//F2
Dual servo
//F3
250MB as RLL
//F4
Orca Technology 760E
//F5
Orca Technology 760S
//F6
* see also Vertex V130
//F7
* see also Vertex V150
//F8
* see also Vertex V170
//F9
3307 RPM
//FA
3307 RPM
//FB
3307 RPM
//FC
3307 RPM
//FD
3307 RPM
//FE
64K cache

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and DM [unused]
    is closest to front).
//FF
64K buffer
//FG
64K cache
//FH
32K cache
Ramplock

<Master/Slave>
         DS       CS       SP
Single:  Closed   *        Open
Master:  Closed   *        Closed**
  *  If CS is closed, the drive will be a master if pin-28 is
     grounded, otherwise drive is a slave.
  ** Dependent upon the manufacturer of the slave drive, SP may
     need to be opened.

Slave:   Open     Open     Open

1.  SP is located by itself toward the rear of the drive.
    DS and CS are located forward SP (because there are only 3
    pins, DS and CS are physically interlocked
    [mutually-exclusive]).
//FI
56K buffer

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and SS [unused]
    is closest to front).
//FJ
256K cache

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (CS [unused] is closest to rear, DS is in the middle,
    and SP is closest to front).
//FK
32K buffer
//FL
56K buffer
//FM
256K cache
//FN
256K cache
//FO
256K cache
//FP
56K cache

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and SS [unused]
    is closest to front).
//FQ
56K cache
//FR
ZBR: 8-zone
64K buffer
3606 RPM

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and SS [unused]
    is closest to front).
//FS
* ZBR:8-zone, 64K, 3606 RPM
//FT
256K cache

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (CS [unused] is closest to rear, DS is in the middle,
    and SP is closest to front).
//FU
ZBR: 8-zone
256K cache
3606 RPM

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and SS [unused]
    is closest to front).
//FV
* ZBR:8-zone, 256K, 3606 RPM
//FW
8K cache
Ramplock

<Master/Slave>
         DS       CS       SP
Single:  Closed   *        Open
Master:  Closed   *        Closed**
  *  If CS is closed, the drive will be a master if pin-28 is
     grounded, otherwise drive is a slave.
  ** Dependent upon the manufacturer of the slave drive, SP may
     need to be opened.

Slave:   Open     Open     Open

1.  SP is located by itself toward the rear of the drive.
    DS and CS are located forward SP (because there are only 3
    pins, DS and CS are physically interlocked
    [mutually-exclusive]).
//FX
ZBR: 8-zone
64K cache

<Master/Slave>
         DS       SS
Single:  Closed   Open
Master:  Closed   Closed
  *  If slave is 120AT LPS or 240AT LPS, only use SS if this
     drive's EPROM is >= v7.0
  ** When master to any other maufacturer's drive, use SS if
     this drive's EPROM is >= v7.0, OTHERWISE use DS.

Slave:   Open     Open

1.  DS and SS should be clearly marked and located toward the
    rear of the drive.
//FY
8K cache
Ramplock
//FZ
* ZBR:8-zone, 64K cache
//G0
ZBR: 8-zone
256K buffer
3606 RPM

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and SS [unused]
    is closest to front).
//G1
ZBR: 8-zone
256K buffer
3606 RPM
//G2
ZBR: 8-zone
256K buffer
3606 RPM

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and SS [unused]
    is closest to front).
//G3
64K cache

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and DM [unused]
    is closest to front).
//G4
64K cache
//G5
32K cache
Ramplock

<Master/Slave>
         DS       CS       SP
Single:  Closed   *        Open
Master:  Closed   *        Closed**
  *  If CS is closed, the drive will be a master if pin-28 is
     grounded, otherwise drive is a slave.
  ** Dependent upon the manufacturer of the slave drive, SP may
     need to be opened.

Slave:   Open     Open     Open

1.  SP is located by itself toward the rear of the drive.
    DS and CS are located forward SP (because there are only 3
    pins, DS and CS are physically interlocked
    [mutually-exclusive]).
//G6
32K cache
Ramplock

<Master/Slave>
         DS       CS       SP
Single:  Closed   *        Open
Master:  Closed   *        Closed**
  *  If CS is closed, the drive will be a master if pin-28 is
     grounded, otherwise drive is a slave.
  ** Dependent upon the manufacturer of the slave drive, SP may
     need to be opened.

Slave:   Open     Open     Open

1.  SP is located by itself toward the rear of the drive.
    DS and CS are located forward SP (because there are only 3
    pins, DS and CS are physically interlocked
    [mutually-exclusive]).
//G7
ZBR: 8-zone
64K cache

<Master/Slave>
         DS       SS
Single:  Closed   Open
Master:  Closed   Closed
  *  If slave is 120AT LPS or 240AT LPS, only use SS if this
     drive's EPROM is >= v7.0
  ** When master to any other maufacturer's drive, use SS if
     this drive's EPROM is >= v7.0, OTHERWISE use DS.

Slave:   Open     Open

1.  DS and SS should be clearly marked and located toward the
    rear of the drive.
//G8
256K cache
//G9
ZBR: 8-zone
64K cache

<Master/Slave>
         DS       SP
Single:  Closed   Open
Master:  Closed   Closed
  *  When master to another maufacturer's drive, SP may need
     to be left open.

Slave:   Open     Open
  *  When slave to another maufacturer's drive, SP may need
     to be left closed.

1.  Look for 3 pairs located toward the rear of the drive
    (DS is closest to rear, SP is in the middle, and DM [unused]
    is closest to front).
//GA
Cache, Ramplock
//GB
64K buffer
//GC
256K cache
//GD
64K cache
//GE
8-bit card
//GF
3:1 interleave, 8-bit card
//GG
3:1 interleave, 8-bit card
//GH
1:1, 16-bit card, 64K cache
//GI
8-bit card
//GJ
8-bit card
//GK
1:1, 16-bit card, 64K cache
//GL
1:1, 16-bit card, 64K cache
//GM
Removable cartridge
//GN
Removable cartridge
//GO
64K cache
//GP
64K cache
//GQ
32K cache
//GR
32K cache
//GS
64K cache
//GT
32K cache
//GU
32K cache
//GV
64K cache, ZBR:2-zone
//GW
64K cache
//GX
64K cache
//GY
64K cache, ZBR:2-zone
//GZ
64K cache
//H0
32K cache
//H1
256K cache, ZBR:8-zone
//H2
256K cache, ZBR:8-zone
//H3
256K cache, ZBR:8-zone
//H4
External
//H5
External
//H6
45K cache, external
//H7
16K cache, external
//H8
16K cache, internal
//H9
16K cache, Compaq
//HA
16K cache
//HB
48K cache, Compaq
//HC
48K, external, ZBR:2-zone
//HD
48K, internal, ZBR:2-zone
//HE
45K cache, external
//HF
16K cache, Compaq
//HG
16K cache, external
//HH
16K cache, internal
//HI
45K cache, external
//HJ
16K cache, external
//HK
16K cache, internal
//HL
16K cache, Compaq
//HM
SecureStore removable cart.
//HN
SecureStore removable cart.
//HO
SecureStore removable cart.
//HP
SecureStore removable cart.
//HQ
SecureStore removable cart.
//HR
SecureStore removable cart.
//HS
SecureStore removable cart.
//HT
SecureStore removable cart.
//HU
SecureStore removable cart.
//HV
SecureStore removable cart.
//HW
SecureStore removable cart.
//HX
SecureStore removable cart.
//HY
SecureStore removable cart.
//HZ
Maxtor XT-1140
//I0
Maxtor XT-4170E
//I1
Maxtor XT-4170S
//I2
Maxtor XT-2190
//I3
Maxtor XT-4380S
//I4
Maxtor XT-4380E
//I5
Maxtor XT-8760E
//I6
Maxtor XT-8760S
//I7
Maxtor XT-4170E PS/2
//I8
Maxtor XT-4170S PS/2
//I9
Maxtor XT-4380S PS/2
//IA
Maxtor XT-4380E PS/2
//IB
Maxtor XT-8760S PS/2
//IC
ZBR: 3-zone

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to rear of drive, J5 is closest to front).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//ID
~CDC Swift 94354-090
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//IE
~CDC Swift 94351-90
32K buffer
//IF
~CDC Swift 94355-100
32K buffer
//IG
ZBR: 3-zone

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to rear of drive, J5 is closest to front).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//IH
ZBR: 3-zone
//II
~CDC Swift 94354-111
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//IJ
~CDC Swift 94356-111
32K buffer
//IK
~CDC Swift 94351-111
32K buffer
//IL
4500 RPM
256K buffer
//IM
~CDC Swift 94354-126
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//IN
~CDC Swift 94351-126
32K buffer
//IO
~CDC Swift 94354-133
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//IP
~CDC Swift 94351-133S
32K buffer
//IQ
ZBR: 3-zone
8K buffer

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to rear of drive, J5 is closest to front).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//IR
ZBR: 3-zone
8K buffer
//IS
~CDC Swift 94355-150
//IT
~CDC Swift 94354-155
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//IU
~CDC Swift 94356-155
32K buffer
//IV
~CDC Swift 94351-155
32K buffer
//IW
~CDC Swift 94351-155S
32K buffer
//IX
~CDC Swift 94355-156
32K buffer
//IY
~CDC Swift 94354-160
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//IZ
~CDC Swift 94351-160
32K buffer
//J0
~CDC Swift 94354-186
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//J1
~CDC Swift 94351-186
32K buffer
//J2
~CDC Swift 94351-186S
32K buffer
//J3
~CDC Swift 94354-200
32K buffer
//J4
~CDC Swift 94356-200
32K buffer

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//J5
~CDC Swift 94351-200
32K buffer
//J6
~CDC Swift 94351-200S
32K buffer
//J7
~CDC Swift 94354-230,  CDC Swift 94354-239
32K SeaCache

<M/S>
J1       J3
Open     Open
Open     Closed
Closed   Open

1.  Look for a block of 7 pairs (5 pairs on some models)
    running along the back edge of the drive.  J1 is closest
    to the interface connector, J7 (J5 if only 5 pairs) is
    closest to the side of the drive.
2.  J2, when jumpered, indicates a drive with 5 heads.
    When open, indicates 7/9 heads (obviously, the circuit
    board is attached to the drive at the factory, and since
    the number of heads is fixed, you should not have to adjust
    this jumper).
3.  J4-J7 are reserved for factory use.
//J8
~CDC Swift 94351-230S
32K buffer
//J9
<M/S>
J1       J2
Closed   Open
Closed   Closed
Open     Closed

1.  Look for 3 pairs runnning along the back edge of the drive
    (J1 is closest to the interface connector, J3 is closest
    to side of drive).
2.  J3 is for an external LED.
//JA
<M/S>
J1       J2
Closed   Open
Closed   Closed
Open     Closed

1.  Look for 3 pairs runnning along the back edge of the drive
    (J1 is closest to the interface connector, J3 is closest
    to side of drive).
2.  J3 is for an external LED.
//JB
<M/S>
J1       J2
Closed   Open
Closed   Closed
Open     Closed

1.  Look for 3 pairs runnning along the back edge of the drive
    (J1 is closest to the interface connector, J3 is closest
    to side of drive).
2.  J3 is for an external LED.
//JC
<M/S>
J1       J2
Closed   Open
Closed   Closed
Open     Closed

1.  Look for 3 pairs runnning along the back edge of the drive
    (J1 is closest to the interface connector, J3 is closest
    to side of drive).
2.  J3 is for an external LED.
//JD
ZBR: 26-zone
64K, read look-ahead, non-adaptive, multi-segmented cache
4412 RPM

<M/S>
J2       J3       J4
Open     Closed   Open
Closed   Closed   Closed
Open     Open     Open

1.  Look for 5 pairs toward the rear, between the DC power
    connector and the edge of the drive (J1 is closest the
    edge of drive, J5 is closest the power connector).
2.  Some systems require the master drive to indicate that a
    slave is present.  Closing J2 fulfills this requirement
    (should only be closed on the master).
    DO NOT INSTALL THIS JUMPER WHEN J5 IS INSTALLED!
3.  J1 is a port for an external REFSIG (spindle reference
    signal).
4.  J5 applies DASP- to pin 39 of the interface connector.
    DO NOT INSTALL THIS JUMPER WHEN J2 IS INSTALLED!
//JE
ZBR: 26-zone
64K, read look-ahead, non-adaptive, multi-segmented cache
4412 RPM
//JF
ZBR: 26-zone
64K, read look-ahead, non-adaptive, multi-segmented cache
4412 RPM

<M/S>
J2       J3       J4
Open     Closed   Open
Closed   Closed   Closed
Open     Open     Open

1.  Look for 5 pairs toward the rear, between the DC power
    connector and the edge of the drive (J1 is closest the
    edge of drive, J5 is closest the power connector).
2.  Some systems require the master drive to indicate that a
    slave is present.  Closing J2 fulfills this requirement
    (should only be closed on the master).
    DO NOT INSTALL THIS JUMPER WHEN J5 IS INSTALLED!
3.  J1 is a port for an external REFSIG (spindle reference
    signal).
4.  J5 applies DASP- to pin 39 of the interface connector.
    DO NOT INSTALL THIS JUMPER WHEN J2 IS INSTALLED!
//JG
ZBR: 26-zone
64K, read look-ahead, non-adaptive, multi-segmented cache
4412 RPM
//JH
ZBR: 26-zone
64K buffer
4412 RPM

<M/S>
C        D               (Only models where J6 has 2 pairs)
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs at rear of drive (A is furthest from the
    interface connector, E is closest interface connector).
2.  Jumper A is a port for the spindle reference signal, pin 1.
3.  Installing jumper B forces -SLAVE PRESENT to be applied
    to the interface connector's pin 39 (jumper B and E are
    mutually exclusive).
4.  Installing jumper E forces DASP- to be applied to pin 39
    on the interface connector (jumper E and B are mutually
    exclusive).
5.  J6 is located at side of drive near rear.

<M/S>
9-10     8-10            (Only models where J6 has 3 pairs)
Closed   Open               9    7    5    3    1
Open     Closed             o    o    o    o    o
Open     Open               o    o    o    o    o
                            10   8    6    4    2

1.  Look for 5 pairs at rear of drive (pair 1-2 is is furthest
    from the interface connector, 9-10 is closest interface
    connector).
2.  Jumper 1-3 forces REFSIG to be applied to the interface
    connector's pin 28.
3.  Jumper 3-4 is a port for the spindle REFSIG, pin 3.
4.  Installing jumper 5-7 forces -SLAVE PRESENT to be applied
    to the interface connector's pin 39.
5.  Installing jumper 5-6 forces DASP- to be applied to pin 39
    on the interface connector.
6.  Jumper 3-5 forces REFSIG to be applied to the interface
    connector's pin 39.
7.  J6 is located at side of drive near rear.
//JI
ZBR: 26-zone
64K buffer
4412 RPM
//JJ
ZBR: 26-zone
64K buffer
4412 RPM
//JK
ZBR: 26-zone
256K buffer
4412 RPM
//JL
ZBR: 26-zone
256K buffer
4412 RPM
//JM
<M/S>
J1       J2                  (3-pair version)
Closed   Open
Closed   Closed
Open     Closed

1.  Look for 3 pairs runnning along the back edge of the drive
    (J1 is closest to the interface connector, J3 is closest
    to side of drive).
2.  J3 is for an external LED.
//JN
<M/S>
J1       J2                  (3-pair version)
Closed   Open
Closed   Closed
Open     Closed

1.  Look for 3 pairs runnning along the back edge of the drive
    (J1 is closest to the interface connector, J3 is closest
    to side of drive).
2.  J3 is for an external LED.
//JO
ZBR: 26-zone
256K buffer
4412 RPM
//JP
ZBR: 26-zone
256K buffer
4412 RPM
//JQ
~CDC Wren III 94216-106
8K buffer
//JR
~CDC Wren III 94211-106
8K buffer
//JS
~CDC WrenIII 94211-125
32K buffer
ZBR
//JT
~CDC Wren V 94221-209
32K buffer
ZBR
//JU
ZBR
//JV
3000 RPM
//JW
~CDC Wren VI 94244-274
32K buffer

A        B
Open     Open      Factory use only.
Open     Closed    Slave, 20-sec motor delay from master startup.
Closed   Open      Slave, no motor delay.
Closed   Closed    Master, motor starts when DC is applied.

C        D
Open     Open      Physical mode.
Open     Closed    Translate mode, one-sector sparing scheme.
Closed   Open      Translate mode, no sector sparing.
Closed   Closed    Factory use only.

E
Open               Slave present (set only on master).
Closed             No slave.

F / G              Factory test (G may not be present).
//JX
~CDC Wren VI 94244-383
32K buffer

A        B
Open     Open      Factory use only.
Open     Closed    Slave, 20-sec motor delay from master startup.
Closed   Open      Slave, no motor delay.
Closed   Closed    Master, motor starts when DC is applied.

C        D
Open     Open      Physical mode.
Open     Closed    Translate mode, one-sector sparing scheme.
Closed   Open      Translate mode, no sector sparing.
Closed   Closed    Factory use only.

E
Open               Slave present (set only on master).
Closed             No slave.

F / G              Factory test (G may not be present).
//JY
~CDC Wren VI 94246-383
32K buffer
//JZ
~CDC Wren VI 94241-383
32K buffer
ZBR
//K0
~CDC Wren VI 94241-502
64K buffer
ZBR
//K1
3000 RPM
//K2
~CDC Wren II 94205-51
//K3
~CDC Wren II 94204-65, 94204-74
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 should not be adjusted.
//K4
~CDC Wren II 94205-77
//K5
~CDC 94204-071, 94204-081, 94204-071C, and 94204-081C Wren II
32K buffer

<M/S>
J1
Closed
Closed
Open

1.  Look for 2 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J2 settings depend upon model number:
        94204-xx    Do not adjust J2.
        94204-xxC   J2 closed indicates no slave present.
                    J2 open signals slave present.
//K6
This drive is believed to be in existence, but has not been
confirmed.  Seagate technicians deny its exist, but special
OEM arrangements might explain this.
//K7
This drive is believed to be in existence, but has not been
confirmed.  Seagate technicians deny its exist, but special
OEM arrangements might explain this.
//K8
32K SeaCache
3211 RPM

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to front of drive, J5 is closest to rear).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//K9
32K SeaCache
3211 RPM
ZBR

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to back of drive, J5 is closest to front).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//KA
32K buffer
3528 RPM
//KB
ZBR: 2-zone
32K SeaCache
3211 RPM

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to front of drive, J5 is closest to power
    connector).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//KC
ZBR: 3-zone
32K SeaCache
3211 RPM

<M/S>
J2       J3
Closed   Open
Closed   Closed
Open     Open

1.  Look for 5 pairs just behind the 3-pin DC power connector
    (J1 is closest to front of drive, J5 is closest to power
    connector).
2.  J1 controls the factory Life Test (don't even think about
    using this jumper unless you know exactly what you are
    doing).
3.  J4 is reserved, and J5 is the drive active LED.
//KD
ZBR: 2-zone
3048 RPM

<M/S>
J1       J2       J4        < 12-pin version >
Closed   Open     Open
Closed   Closed   Open
Open     Open     Closed

1.  Look for 6 pairs toward rear and side of drive
    (J1 is toward front of drive, J6 is closest to rear).
2.  J3 is for a drive active LED.
3.  J5, when jumpered, forces XT mode.  This assigns an
    alternate meaning to J1 and J2:
              J1       J2
    40 MB     Closed   Open
    30 MB     Open     Closed
    20 MB     Closed   Closed
//KE
3048 RPM
//KF
3048 RPM
//KG
128K buffer
4500 RPM

<M/S>
J1       J2
Open     Open
Open     Closed
Closed   Open

1.  Look for 2 pairs between the mini DC power connector and
    the side of the drive (J1 is closest the side).
//KH
128K buffer
4500 RPM
//KI
8/32K SeaCache
ZBR: 2-zone
3048 RPM

<M/S>
J1       J2       J4        < 12-pin version >
Closed   Open     Open
Closed   Closed   Open
Open     Open     Closed

1.  Look for 6 pairs toward rear and side of drive
    (J1 is toward front of drive, J6 is closest to rear).
2.  J3 is for a drive active LED.
3.  J5, when jumpered, forces XT mode.  This assigns an
    alternate meaning to J1 and J2:
              J1       J2
    40 MB     Closed   Open
    30 MB     Open     Closed
    20 MB     Closed   Closed
//KJ
~CDC Wren II 94155-85
//KK
~CDC Wren II 94155-85p
//KL
~CDC Wren II 94155-86
//KM
~CDC Wren II 94155-86p
//KN
~CDC Wren II 94155-96
//KO
~CDC Wren II 94155-96p
//KP
5400 RPM
//KQ
~CDC 94601-012G and 94601-012M Wren VII
256K buffer
ZBR
//KR
~CDC 97500-12G
256K buffer
5400 RPM
ZBR
//KS
~CDC 97509-12G
256K buffer
5400 RPM
ZBR
//KT
~CDC Wren II 94155-135
//KU
~CDC 97501-12G
5400 RPM
ZBR
//KV
~CDC 97501-12G
5400 RPM
ZBR
//KW
~CDC 97501-16G
5400 RPM
ZBR
//KX
~CDC 97501-16G
5400 RPM
ZBR
//KY
~CDC 97501-16G
5400 RPM
ZBR
//KZ
~CDC 97501-16G
5400 RPM
ZBR
//L0
~CDC Wren VIII
ZBR
//L1
5400 RPM
ZBR
//L2
~CDC Wren III 94166-182
8K buffer
//L3
~CDC Wren III 94161-182
8K buffer
//L4
256K cache
5400 RPM
//L5
5400 RPM
ZBR
//L6
~CDC 94171-350/M
32K buffer
ZBR
//L7
~CDC 94171-376/M
32K buffer
ZBR
//L8
~CDC Wren V 94186-383
//L9
~CDC Wren V 94186-383H
//LA
~CDC Wren V 94181-385H/M
ZBR
//LB
~CDC Wren V 94186-442
//LC
~CDC Wren V 94181-702/M
ZBR
//LD
~CDC Wren VI 94196-766
//LE
~CDC Wren VI 94191-766
//LF
~CDC Wren V Runner 2
//LG
~CDC Wren V 94601-767H/M
//LH
~CDC Wren V Runner 2
//LI
~CDC 97150-340
2 heads per side
//LJ
~CDC 97150-500
2 heads per side
//LK
2 heads per side
//LL
Solid state
Dual port
//LM
~CDC 97200-1130
Dual port
//LN
~CDC 97229-1150
Dual port
2 heads accessed simultaneously
//LO
~CDC 97200-12G
Dual port
//LP
~CDC 97209-12G
Dual port
//LQ
~CDC 97201-12G
Dual port
//LR
Solid state
Dual port
//LS
Solid state
Dual port
//LT
Dual port
//LU
Dual port
8 heads accessed simultaneously
//LV
~CDC 97200-23G
Dual port
//LW
~CDC 97299-23G
9 heads accessed simultaneously
//LX
~CDC 97200-25G
Dual port
//LY
~CDC 97209-25G
//LZ
~CDC 97201-25G
//M0
Dual port
//M1
Dual port
//M2
Solid state
Dual port
//M3
~CDC 97200-368
//M4
~CDC 97201-368
//M5
~CDC 97200-500
//M6
~CDC 97201-500
//M7
Solid state
Dual port
//M8
~CDC 97200-736
//M9
~CDC 97201-736
//MA
~CDC 97200-850
//MB
Dual port
//MC
~CDC 97201-850
//MD
32K SeaCache
3631 RPM

<M/S>
J1       J2
Open     Open
Closed   Open
Open     Closed

1.  Look for 2 pairs toward the rear of the drive
    (J1 is closest the interface connector).
2.  DO NOT CLOSE J1 AND J2 SIMULTANEOUSLY.
//ME
32K SeaCache
3631 RPM

<M/S>
J1       J2
Open     Open
Closed   Open
Open     Closed

1.  Look for 2 pairs toward the rear of the drive
    (J1 is closest the interface connector).
2.  DO NOT CLOSE J1 AND J2 SIMULTANEOUSLY.
//MF
32K SeaCache
3546 RPM

<M/S>
J1       J2
Open     Open
Closed   Open
Open     Closed

1.  Look for 2 pairs toward the rear of the drive
    (J1 is closest the interface connector).
2.  DO NOT CLOSE J1 AND J2 SIMULTANEOUSLY.
//MG
32K SeaCache
3546 RPM
//MH
64K SeaCache
3450 RPM

<M/S>
J1       J2
Open     Open
Closed   Open
Open     Closed

1.  Look for 2 pairs toward the rear of the drive
    (J1 is closest the interface connector).
2.  DO NOT CLOSE J1 AND J2 SIMULTANEOUSLY.
//MI
64K SeaCache
3450 RPM
//MJ
64K SeaCache
3450 RPM

<M/S>
J1       J2
Open     Open
Closed   Open
Open     Closed

1.  Look for 2 pairs toward the rear of the drive
    (J1 is closest the interface connector).
2.  DO NOT CLOSE J1 AND J2 SIMULTANEOUSLY.
//MK
64K SeaCache
3450 RPM
//ML
Removable cartridge
//MM
Removable cartridge
//MN
64K RLA cache

<M/S>
S0    S1    S2    S3
On    Off   On    On
On    On    On    On
On    On    Off   On

1.  Look for 4 pairs at the rear of the drive (S0 is closest
    to side of drive).
//MO
64K RLA cache

<M/S>
SP    S0    S1    S2    S3
On    Off   Off   Off   Off
On    Off   Off   Off   On
On    Off   Off   On    On

1.  Look for 5 pairs at the rear of the drive (SP is closest
    the side, S3 is closest the interface connector).
//MP
64K RLA cache

<M/S>
SP    S0    S1    S2    S3
On    Off   Off   Off   Off
On    Off   Off   Off   On
On    Off   Off   On    On

1.  Look for 5 pairs at the rear of the drive (SP is closest
    the side, S3 is closest the interface connector).
//MQ
64K cache
2358 RPM

<M/S>
S0    S1    S2    S3
On    Off   On    On
On    On    On    On
On    On    Off   On

1.  Look for 4 pairs at the rear of the drive (S0 is closest
    to side of drive).
//MR
64K cache, 2358 RPM
//MS
64K cache
2358 RPM

<M/S>
S0    S1    S2    S3
On    Off   On    On
On    On    On    On
On    On    Off   On

1.  Look for 4 pairs at the rear of the drive (S0 is closest
    to side of drive).
//MT
64K RLA cache
//MU
64K cache, 2358 RPM
//MV
64K cache
//MW
32K cache
//MX
32K cache
//MY
32K cache
//MZ
32K cache, high-speed support
//N0
256K buffer
//N1
256K buffer
//N2
Removable (for desktop)
//N3
Removable (for laptop)
//N4
Western Digital WD93044-X
//N5
* see also Priam V130
//N6
* see also Priam V150
//N7
* see also Priam V170
//N8
64K cache
3610 RPM
AKA AP2100 Piranha

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//N9
64K cache
3610 RPM
AKA AP4200 Piranha

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NA
32K cache
//NB
32K cache
//NC
32K buffer

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//ND
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NE
32K cache
3652 RPM

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NF
64K cache
3652 RPM

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NG
64K buffer
3322 RPM

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NH
32K buffer

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NI
32K cache
//NJ
32K cache
//NK
64K cache
3610 RPM
AKA 105A Piranha

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NL
64K cache
3610 RPM
AKA 210A Piranha

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NM
64K cache, 3610 RPM
//NN
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NO
1K buffer
3:1 optimum interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NP
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NQ
56-bit ECC
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NR
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NS
1K buffer
3:1 optimum interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NT
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NU
1:1 optimum interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NV
~Tandy 25-1046
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NW
1:1 optimum interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NX
56-bit ECC
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NY
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//NZ
1K buffer
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O0
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O1
56-bit ECC
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O2
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O3
1K buffer
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O4
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O5
1:1 optimum interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O6
1K buffer
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O7
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O8
56-bit ECC
3:1 interleave

<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//O9
<M/S>
J1       J2
Closed   Open
Closed   Open
Open     Closed

1.  Look for 3 pairs between the interface connector and the
    power connector (J1 is closest the interface connector).
2.  J3 might need to be installed when co-existing with another
    manufacturer's drive (ie. Conner).
//OA
64K, 4316 RPM, IBM 0661-371
//OB
128K, 4316 RPM, IBM 0661-371
//OC
64K cache
//OD
64K cache