TABLE 2-1
ELECTRICAL AND OP ER AT IONA L SP ECIF I CAT ION S
Media
6
203.20 millim eter, 8-inch IBM in dustr y
standard diskette
3 x 10 passes per track
48 TPI, both drives
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
77 tracks per drive
154 tracks per drive, 77 per side
0.529 millim eter, 20.8 milinches
51.50 millim eters, 2.03 inches
49.42 millim eters, 1.95 inches
Both Drives
TM848-2E, Side 1
91.75 millim eters, 3.61 inches
89.64 millim eters, 3.53 inches
15,000 media contact hours
Head Life
Disk Rotational Speed,
microprocessor
controlled
Instantaneous Speed Variation (ISVl
M otor Start Ti m e
Seek Time, Track to Track
H ead Settling Tim e
Average Track Access Time
i ncluding head settling ti m e
Data Transfer Rate
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
a n
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n
DDRPDR A TIDN, DHATswDRTH, DALIFDR • IA 91311
