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st1201n.txt
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1993-06-14
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SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright 1990
Swift SCSI ST-1201N (94351-200)
┌───\
│ O │ 5
│ O │ G
│ O │ G
│ O │ 12 .................... o o o o o o
└───/ 1................... o o o o o o
════════════════════════════════════════════
4 2 1 │ │ │
──┬── │ │ └─ Synchronized Spindle
Terminator Power Select │ │ └─── Motor Control
Header located on the side │ └───── Enable Parity Checking
────────────────────────── └───────── Drive ID, binary - use
(Back) A B (Front of drive) ID 0 (no jumpers) for
C D single drive install
A-B Terminator power from Drive
A-C Terminator power from Bus
ST-1201N
94351-200 Swift
UNFORMATTED CAPACITY (MB) ________________201
FORMATTED CAPACITY (36 SECTORS) (MB) _____177
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________9,612
CYLINDERS ________________________________1,068
HEADS ____________________________________9
DISCS ____________________________________5
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________1.25
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________1,350
BPI (BITS PER INCH) ______________________28,282
AVERAGE ACCESS (ms) ______________________15
SINGLE TRACK SEEK (ms) ___________________4
MTBF (power-on hours) ____________________70,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.5
+12V TYPICAL (amps) __0.7
+5V START-UP (amps) __0.75
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______11
MAXIMUM (watts) ______34
BUFFERED STEP PULSE RATE (micro sec) _____6-200
WRITE PRECOMP (cyl) ______________________N/A (1069)
REDUCED WRITE CURRENT (cyl) ______________N/A (1069)
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)