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ST-4053.TXT
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1989-03-09
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31 lines
ST - 4053
UNFORMATTED CAPACITY (MB) ________________53.3
FORMATTED CAPACITY (17 SECTORS) (MB) _____44.5
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________5,120
CYLINDERS ________________________________1,024
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________1,031
BPI (BITS PER INCH) ______________________9,792
AVERAGE ACCESS (ms) ______________________28
SINGLE TRACK SEEK (ms) ___________________6
MTBF (power-on hours) ____________________30,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.0
+12V TYPICAL (amps) __1.3
+5V TYPICAL (amps) ___1.3
TYPICAL (watts) ______23
MAXIMUM (watts) ______55
BUFFERED STEP PULSE RATE (micro sec) _____3-70
WRITE PRECOMP (cyl) ______________________N/A (1025)
REDUCED WRITE CURRENT (cyl) ______________N/A (1025)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________11 or 17*
*MAY REQUIRE PARTITIONING SOFTWARE