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SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
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? United States +1 408 438-8771 ? United Kingdom +44 628 478011 ?
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? Germany +49 89 140-9331 ? Singapore +65 227-2217 ?
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(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
SPINDLE SPEED (RPM) ______________________3,600
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)