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st1156ns.txt
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1991-03-15
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84 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-1156NS (94351-155S) Swift SCSI
┌───\
│ O │ 5
│ O │ G
│ O │ G
│ O │ 12 .................... o o o o o o
└───/ 1................... o o o o o o
════════════════════════════════════════════
1 2 4 │ │ │
──┬── │ │ └─ 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-1156NS
94351-155S Swift
UNFORMATTED CAPACITY (MB) ________________156
FORMATTED CAPACITY (36 SECTORS) (MB) _____138
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________7,476
CYLINDERS ________________________________1,068
HEADS ____________________________________7
DISCS ____________________________________4
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.
Swift Remote LED Option
Front View of Drive Without the Plastic Bezel
┌───┬───┐
│ A │ B │ B = Anode
├───┼───┤ D = Cathode
│ C │ D │
...═════════════════╧═══╧═══╧═════P═W═A═══...
° Default jumper at C-D for LED mounted on drive PWA
° To use remote LED, remove jumper and extend B (Anode)
and D (Cathode).
° Swift LED kit 75912397 allows connection to a remote LED
° Swift LED kit 95913369 has an LED for attachment to the
system front bezel or a 5.25-inch frame kit
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)