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ST-125A.TXT
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1989-03-09
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31 lines
ST - 125A
UNFORMATTED CAPACITY (MB) ________________N/A
FORMATTED CAPACITY (26 SECTORS) (MB) _____21.5
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________1,616
CYLINDERS ________________________________404
HEADS ____________________________________4
DISCS ____________________________________2
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbits/sec) ________________7.5
INTERFACE ________________________________AT BUS
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) ____________________50,000
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 (405)
REDUCED WRITE CURRENT (cyl) ______________N/A (405)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________?
*ST125-0/ST125-1