AOH :: ST225N.TXT
Seagate ST225N SCSI Hard Disk Specs and Docs
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(C)opyright 1991
ST-225N SCSI
5 G G 12
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o o o o �...�.....................� � O O O O � Power
o o o o ......................... 읕컴컴컴컴�
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1 2 4 P 읕컴�1 읕컴�1 읕컴�1 Terminating Resistors
컴쩡� 읕 Parity Check enable
읕컴컴 ID Selects, ID 0 (none) for single drive system
ST - 225N
UNFORMATTED CAPACITY (MB) ________________25
FORMATTED CAPACITY (17 SECTORS) (MB) _____21.3
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________2,460
CYLINDERS ________________________________615
HEADS ____________________________________4
DISCS ____________________________________2
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________588
BPI (BITS PER INCH) ______________________9,827
AVERAGE ACCESS (ms) ______________________65
SINGLE TRACK SEEK (ms) ___________________20
MTBF (power-on hours) ____________________100,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.4
+12V TYPICAL (amps) __0.9
+5V TYPICAL (amps) ___1.2
TYPICAL (watts) ______16.8
MAXIMUM (watts) ______35
BUFFERED STEP PULSE RATE (micro sec) _____5-200
WRITE PRECOMP (cyl) ______________________N/A (616)
REDUCED WRITE CURRENT (cyl) ______________N/A (616)
LANDING ZONE (cyl)________________________670
IBM AT DRIVE TYPE ________________________0 or NONE
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
^Z
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