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st4086.txt
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1991-03-15
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62 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-4086 (94155-86) Wren 2 ST412 MFM
Drive Sel ┌─────────────┐
o o o o o │ Term 1│
o o o o o │ 14 pin dip │ ┌─────────┐
└─────────────┘ │ O O O O │ Power
1 2 3 4 Radial \─────────/
Command ┌───────────────┐1 12 G G 5
══════════════════════════════╪═════════════ ═╪═════════════════
Data ┌──────────────┐1 └───────────────┘
═══════════╪════════════ ═╪═════════════════════════════════════
└──────────────┘
ST-4086
94155-86 WREN 2 FH
UNFORMATTED CAPACITY (MB) ________________86
FORMATTED CAPACITY (17 SECTORS) (MB) _____72
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________8,325
CYLINDERS ________________________________925
HEADS ____________________________________9
DISCS ____________________________________5
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________960
BPI (BITS PER INCH) ______________________9,274
AVERAGE ACCESS (ms) ______________________28
SINGLE TRACK SEEK (ms) ___________________5
MTBF (power-on hours) ____________________40,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __2.0
+5V START-UP (amps) __1.3
+5V TYPICAL (amps) ___0.75
TYPICAL (watts) ______28
MAXIMUM (watts) ______61
BUFFERED STEP PULSE RATE (micro sec) _____8-200
WRITE PRECOMP (cyl) ______________________N/A (926)
REDUCED WRITE CURRENT (cyl) ______________N/A (926)
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________46, *
* MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING
AND PARTITIONING SOFTWARE. ALSO, CHECK TO SEE IF YOUR CMOS SETUP
HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)