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ST425.TXT
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1990-06-26
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2KB
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37 lines
SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [up to 9600, N-8-1]
(C)opyright 1990
ST - 425
UNFORMATTED CAPACITY (MB) ________________25.52
FORMATTED CAPACITY (17 SECTORS) (MB) _____20.0
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________2,448
CYLINDERS ________________________________306
HEADS ____________________________________8
DISCS ____________________________________4
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________550
BPI (BITS PER INCH) ______________________10,568
AVERAGE ACCESS (ms) ______________________65
SINGLE TRACK SEEK (ms) ___________________19.67
MTBF (power-on hours) ____________________11,000
POWER REQUIREMENTS: +12V START-UP (amps) _3.5
+12V TYPICAL (amps) __1.6
+5V TYPICAL (amps) ___1.1
TYPICAL (watts) ______24.7
MAXIMUM (watts) ______50
BUFFERED STEP PULSE RATE (micro sec) _____5-500
WRITE PRECOMP (cyl) ______________________128
REDUCED WRITE CURRENT (cyl) ______________N/A (307)
LANDING ZONE (cyl)________________________319
IBM AT DRIVE TYPE ________________________13
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)