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st138a.txt
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1993-06-14
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4KB
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89 lines
SEAGATE TECHNOLOGY, INC.
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-138A
/───────\
6-pin jumper version │O O O O│
└5─G─G─12
═══════╤═════════════════════╤═══════════
o o o │::::::::::::::::::::1│
o o o ╘═════════════════════╛
│ │ │
│ 0 1 Single Drive 0=open
│ 1 1 Dual-Drive Master 1=closed
│ 1 0 Dual-Drive Slave
│
└───── Optional External LED
/───────\
10-pin jumper version │O O O O│
└5─G─G─12
═══════════╤═════════════════════╤═══════════
o o o o o │::::::::::::::::::::1│
o o o o o ╘═════════════════════╛
│ │ │ │ │
│ │ │ │ └ LT (Life Test, factory use only)
│ │ 0 1 Single Drive 0=open
│ │ 1 1 Dual-Drive Master 1=closed
│ │ 0 0 Dual-Drive Slave
│ └───── EWS (factory use only)
└─────── Active Busy (Optional External LED)
ST - 138A
UNFORMATTED CAPACITY (MB) ________________38
FORMATTED CAPACITY (26 SECTORS) (MB) _____32.1
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________2,416
CYLINDERS ________________________________604
HEADS ____________________________________4
DISCS ____________________________________2
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbits/sec) ________________7.5
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________AT BUS
TPI (TRACKS PER INCH) ____________________824
BPI (BITS PER INCH) ______________________22,430
AVERAGE ACCESS (ms) ______________________40/28*
SINGLE TRACK SEEK (ms) ___________________8
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.35
+5V TYPICAL (amps) ___0.9
TYPICAL (watts) ______9
MAXIMUM (watts) ______29
BUFFERED STEP PULSE RATE (micro sec) _____3-200
WRITE PRECOMP (cyl) ______________________N/A (605)
REDUCED WRITE CURRENT (cyl) ______________N/A (605)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________3
*ST138A-0/ST138A-1
Possible translation: 615 cyl, 6 heads, 17 sectors = 32,117,760
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
!WARNING! - Already low-level formatted at the factory.
Since a User-definable or Custom translation geometry may
be used, it is imperative that the values be written down
and kept with your permanent records for retrieval in the
event of CMOS battery failure.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)