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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-125N SCSI
/????
? O ?12
? O ?G
? O ?G
? O ?5
SCSI Connector \????
?????P?W?A??????????????????????????????????????
o o o o o ?::::::::::::::::::::::::1?
o o o o o ???????????????????????????
4 2 1 ? P ???????1???????1???????1
????? ? ? ????????????????????????
? ? ? ? Resistor Termination Packs
? ? ?
? ? ?? Parity Check enable
? ???? Not Used
???????? Drive ID's, ID 0 (none) for single drive system
ST - 125N
UNFORMATTED CAPACITY (MB) ________________25
FORMATTED CAPACITY (26 SECTORS) (MB) _____21.5
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________1,628
CYLINDERS ________________________________407
HEADS ____________________________________4
DISCS ____________________________________2
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbits/sec) ________________7.5
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________824
BPI (BITS PER INCH) ______________________16,546
AVERAGE ACCESS (ms) ______________________40/28*
SINGLE TRACK SEEK (ms) ___________________8
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.35
+5V TYPICAL (amps) ___0.9
TYPICAL (watts) ______9
MAXIMUM (watts) ______29
BUFFERED STEP PULSE RATE (micro sec) _____3-200
WRITE PRECOMP (cyl) ______________________N/A (408)
REDUCED WRITE CURRENT (cyl) ______________N/A (408)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
*ST125-0/ST125-1
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)