Compaq PORTABLE 386 - 3 1;2 Inch 1.44 Megabyte Diskette Drive; 40 Megabyte Fixed Disk Drive

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