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ELECTRICAL AND OP ER AT IONA L SP ECIF I CAT ION S
Media
Media Life (for reference only)
Tracks Per Inch
Tracks Per Drive
TM848-1E
TM848-2E
Track Spacing
Inside Track Radius
Both Drives, Side 0
TM848-2E, Side 1
Outside Track Radius
Both Drives
TM848-2E, Side 1
Head Life
Disk Rotational Speed,
microprocessor controlled
Instantaneous Speed Variation (ISVl
M otor Start Tim e
Seek Time, Track to Track
Head Settling Time
Average Track Access Time
i ncluding head settling ti m e
Data Transfer Rate
a n
d
n
n
DDR PDR A TIDN, DHATswDRTH, DALIFDR • IA 91311
TABLE 2-1
203.20 millimeter, 8-inch IBM industry
standard diskette
6
3 x 10 passes per track
48 TPI, both drives
77 tracks per drive
154 tracks per drive, 77 per side
0.529 millimeter, 20.8 milinches
51.50 millimeters, 2.03 inches
49.42 millimeters, 1.95 inches
91.75 millimeters, 3.61 inches
89.64 millimeters, 3.53 inches
15,000 media contact hours
360 RPM ~ 1.5 percent
1 percent
150 milliseconds, maximum
3 milliseconds, minimum
15 milliseconds
91 milliseconds
500,000 bits per second
1 79049-001
REV. A
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