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ST251N.TXT
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1990-06-26
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40 lines
SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [up to 9600, N-8-1]
(C)opyright 1990
ST - 251N
UNFORMATTED CAPACITY (MB) ________________51
FORMATTED CAPACITY (26/34* SECTORS) (MB) _43.1/43.2*
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________3,280/2,520*
CYLINDERS ________________________________820/630*
HEADS ____________________________________4
DISCS ____________________________________2
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbits/sec) ________________7.5/10*
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________777
BPI (BITS PER INCH) ______________________14,902/19,869*
AVERAGE ACCESS (ms) ______________________40/28*
SINGLE TRACK SEEK (ms) ___________________8
MTBF (power-on hours) ____________________70,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0/2.5*
+12V TYPICAL (amps) __0.5
+5V TYPICAL (amps) ___1.2/1.4*
TYPICAL (watts) ______12/13*
MAXIMUM (watts) ______30/37*
BUFFERED STEP PULSE RATE (micro sec) _____3-200
WRITE PRECOMP (cyl) ______________________N/A (821/631*)
REDUCED WRITE CURRENT (cyl) ______________N/A (821/631*)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________NONE
*ST251N-0/ST251N-1
**MAY REQUIRE PARTITIONING SOFTWARE
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)