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st4038.txt
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1991-03-15
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64 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-4038 ST412 MFM
/─4─3─2─1─\
│ O O O O │ Power
└─────────┘
┌Data Cable 1 5 G G 12
═════════ ══ ════════════════════ ═══ ════════════
o o o o o o o o ┌1 └Controller Cable
o o o o o o o o ││
Drive Select->1 2 3 4 │ │ │ │ │├─ Resistor Termination Pack
│ │ │ │ │ │ │ ││
│ └┬┘ │ │ │ │ └┘
│ │ │ │ │ │
│ │ │ │ │ │
│ │ │ │ │ └ Radial
│ │ │ │ └── Recovery Mode
│ │ │ └──── Write Fault
│ │ └────── Not Connected
│ └───────── Never Used (Drive Select 3 and 4)
└ If twisted cable, use Drive Select 2
ST - 4038
UNFORMATTED CAPACITY (MB) ________________38.2
FORMATTED CAPACITY (17 SECTORS) (MB) _____31.9
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________3,665
CYLINDERS ________________________________733
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________750
BPI (BITS PER INCH) ______________________9,617
AVERAGE ACCESS (ms) ______________________40
SINGLE TRACK SEEK (ms) ___________________8
MTBF (power-on hours) ____________________25,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.0
+12V TYPICAL (amps) __1.5
+5V TYPICAL (amps) ___1.5
TYPICAL (watts) ______25.5
MAXIMUM (watts) ______56
BUFFERED STEP PULSE RATE (micro sec) _____10-70
WRITE PRECOMP (cyl) ______________________300
REDUCED WRITE CURRENT (cyl) ______________N/A (734)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________22, 20 or 8
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)