AOH :: ST412.TXT
Seagate ST412 MFM Hard Disk Specs
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(C)opyright 1991
ST-412 ST412 MFM
OPTION SHUNT BLOCK
旼�\컴�/컴�
1 � R � 16
2 � NC � 15
3 � NC � 14
4 � NC � 13
5 � DS4 � 12
6 � DS3 � 11
7 � DS2 � 10
8 � DS1 � 9
읕컴컴컴컴�
DS1,DS2,DS3,DS4=DRIVE SELECTED
R=RADIAL OPERATION
ST - 412
UNFORMATTED CAPACITY (MB) ________________12.76
FORMATTED CAPACITY (17 SECTORS) (MB) _____10.0
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________1,224
CYLINDERS ________________________________306
HEADS ____________________________________4
DISCS ____________________________________2
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________345
BPI (BITS PER INCH) ______________________9,074
AVERAGE ACCESS (ms) ______________________85
SINGLE TRACK SEEK (ms) ___________________< 16.67
MTBF (power-on hours) ____________________11,000
POWER REQUIREMENTS: +12V START-UP (amps) _3.5
+12V TYPICAL (amps) __1.7
+5V TYPICAL (amps) ___1.1
TYPICAL (watts) ______25.9
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 ________________________1
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
^Z
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