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Media
TABLE 2-1
ELECTRICAL AND OPERATIONAL SPECIFICATIONS
203.20 millimeter, 8-inch IBM industry-
standard diskette
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 (ISV)
Motor Start Time
Seek Time, Track to Track
Head Settling Time
Average Track Access Time,
including head settling time
Data Transfer Rate
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, maximurn
3 milliseconds, minimum
15 milliseconds
91 milliseconds
500,000 bits per second
, a n
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CORPORATION, CHATSWORTH, CALIFORNIA 91311
2-3
179049-001
REV. A
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