3 1/2 Inch 1.44 Megabyte Diskette Drive; 40 Megabyte Fixed Disk Drive - Compaq PORTABLE 386 Maintenance And Service Manual

Tracks per Inch
Number of Tracks
Data Transfer Rate
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Chapter 2.7 3 1/2 Inch 1.44 Megabyte Diskette Drive
Table 2-6 lists the specifications for the 3 1/2 inch 1.44 megabyte diskette
drive.
Table 2-6.

3 1/2 Inch 1.44 Megabyte Diskette Drive

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Dimensions:
Height
Depth
Width
Weight
Media:
Tracks per Inch
Number of Tracks
Data Transfer Rate
Average Access Time
Rotational Speed
Motor Start Time
Sectors per Track
Bytes per Sector
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Chapter 2.8 40 Megabyte Fixed Disk Drive
Table 2-7 lists the specifications for the 40 megabyte fixed disk drive.
Table 2-7. 40 Megabyte Fixed Disk Drive Specifications
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Dimensions:
Height
Depth
Width
Weight
48
40
250 Kb/s
1.00 in. (2.5 cm)
5.91 in. (15.0 cm)
4.00 in. (10.2 cm)
1.00 lb (0.45 kg)
3 1/2 inch 1.44 megabyte double sided diskette;
dual density (720 Kbyte format); high density
(1.44 megabyte format)
135
160
250 Kb/s (1.44 megabyte format)
500 Kb/s (720 Kbyte format)
100 ms
300 rpm
800 ms
18 (1.44 megabyte format)
9 (720 Kbyte format)
512
1.5 in. (3.8 cm)
4.0 in. (10.2 cm)
5.8 in. (14.6 cm)
1.9 lb (0.9 kg)