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st43400n.txt
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1993-02-02
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6KB
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111 lines
SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
┌──────────────────────────────────┬─────────────────────────────────┐
│ United States +1 408 438-8771 │ United Kingdom +44 628 478011 │
├──────────────────────────────────┼─────────────────────────────────┤
│ Germany +49 89 140-9331 │ Singapore +65 227-2217 │
└──────────────────────────────────┴─────────────────────────────────┘
(C)opyright 1991
ST-43400N Elite 3 Fast SCSI-2
┌─ This T-RES only on Differential model
│ (see below for T-RES descriptions)
Spindle Sync ┐ │ ┌─ Terminator Power Source (see below)──┐
┌4──1──┐ ┌──*───1 4o│o3 ┌──────1 │
p│o oo A └─│────┘ 2o o1 └──│───┘ │
o o o o o n│o oo B └Terminator DIPS┘ Power o o o o │
o o o o o └──────┘╒═════════════════════════╕ ┌12─G─G─5─┐ o o o o │
═╪═╪═╪═╪═╪══P═W═A═══╡::::::::::::::::::::::::1╞══╡ 0 0 0 0 ╞═╪═╪═╪═╪══ │
4 2 1 │ │ ╘═════════════════════════╛ \─────────/ │ │ │ │ │
──┬── │ │ SCSI Cable Connector │ │ │ │ │
│ │ │ │ │ │ │ │
│ │ └── Master off/Slave on - Spindle Sync │ │ │ │ │
│ └──── Write Protect option enable │ │ │ │ │
└──────── SCSI ID │ │ │ │ │
Spinup Delay (10 secs * ID) ─┘ │ │ │ │
Motor Start option enable ───┘ │ │ │
Parity check DISable ─────┘ │ │
Sweep Cycle enable ───────┘ │
│
╒══════════════════════════════════╕ │
│ Terminator Power Source Options ├────────────────────────────────────────┘
├──────────────────────────────────┴───────────────────────────────────┐
│ 2 & 4 ─ Initiator supplies power over the SCSI Bus for terminators. │
│ Drive supplies no terminator power. │
│ 1 & 2 ─ Drive supplies power for its own terminator resistor-paks │
│ but not to SCSI Bus. This is the factory setting. │
│ 1 & 3 │
│ AND ─ Drive supplies power for external terminator at end of the │
│ 2 & 4 daisy chain. Terminator resistor-paks must be removed. │
│ This option is recommended only for last drive on daisy │
│ chain. (This option only on Single-Ended drives) │
└──────────────────────────────────────────────────────────────────────┘
T-RES descriptions: ST43400N 2 SIPs
ST43400ND 2 DIPs
ST-43400N
Elite 3
UNFORMATTED CAPACITY _____________________3,554,871,600
FORMATTED CAPACITY (512 byte blk) ________2,912,484,864
AVERAGE SECTORS PER TRACK ________________99 (rounded down)
ACTUATOR TYPE ____________________________STRAIGHT ARM
TRACKS ___________________________________57,435
CYLINDERS ________________________________2,738/2,735 (user)
HEADS ____________________________________21
DISCS (5.25 in) __________________________11
MEDIA TYPE _______________________________THIN FILM
HEAD TYPE ________________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______35-52
INTERNAL TRANSFER RATE AVG (mbyte/sec) ___6.0
EXTERNAL TRANSFER RATE (mbyte/sec) _______10 (burst)
SPINDLE SPEED (RPM) ______________________5,400
AVERAGE LATENCY (mSEC) ___________________5.55
COMMAND OVERHEAD (mSEC) __________________<0.5
BUFFER ___________________________________512 Kbyte
Read Look-Ahead, Adaptive, Multi-Segmented
Cache
INTERFACE ________________________________SCSI-2 FAST
BYTES PER TRACK __________________________49,000-72,800
SECTORS PER DRIVE ________________________5,696,655
BYTES PER CYLINDER _______________________1,058,400 to 1,587,600
TPI (TRACKS PER INCH) ____________________
BPI (BITS PER INCH) ______________________
AVERAGE ACCESS (ms) read/write ___________10/11
SINGLE TRACK SEEK (ms) read/write ________0.9/1.7
MAX FULL SEEK (ms) read/write ____________22.5/23.5
MTBF (power-on hours) Class A Room _______300,000
MTBF (power-on hours) Office _____________200,000
POWER DISSIPATION (watts) ________________
POWER REQUIREMENTS: Single-ended/Differential
+12V START-UP (amps) _3.98/4.60
+12V TYPICAL (amps) __1.90/1.88
+5V START-UP (amps) __2.37/3.48
+5V TYPICAL (amps) ___1.96/2.77
TYPICAL ( watts seek/read)_32.60/36.41
IDLE (watts) ______________28.34/31.81
USER MANUAL PART NUMBER __________________83327630
OTHER ____________________________________
Synchronized Spindles, Sweep Cycle Capability
** Already low-level formatted at the factory with six spare sectors
per cylinder, one spare cylinders/unit, one system cylinder/unit, and
one diagnostic cylinder/unit.
Physical:
Height (inches/mm): 3.25/82.6
Width (inches/mm): 5.75/146.1
Depth (inches/mm): 8.0/203
Weight (lbs/kg): 7.8/3.6
Seagate reserves the right to change, without notice, product
offerings or specifications. (12/14/92)