Compaq Portable II - 360 Kbyte Diskette Drive; Megabyte Diskette Drive

Data Transfer Rate 5.0 Mb/s
Type 1
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Chapter 1.5 20 Megabyte Fixed Disk Drive
Table 1-5. 20 Megabyte Fixed Disk Drive Specifications
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Dimensions:
Height 1.7 in. (4.32 cm)
Depth 4.1 in. (10.41 cm)
Width 5.75 in. (14.61 cm)
Weight 1.8 lb (0.8 kg)
Media: 2 Platter
Number of Data Heads 4
Number of Cylinders 615
Average Access Time 105 ms
Data Transfer Rate 5.0 Mb/s
Type 2
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Chapter 1.6 360 KByte Diskette Drive
Table 1-6. 360 Kbyte Diskette Drive Specifications
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Dimensions:
Height 1.1 in. (2.85 cm)
Depth 7.9 in. (20.3 cm)
Width 5.9 in. (15.0 cm)
Weight 1.98 lb (0.9 kg)
Media:
Tracks per inch 48
Number of Tracks 40 (when formatted with MS-DOS)
Data Transfer Rate 250 Kb/s
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Chapter 1.7 1.2 Megabyte Diskette Drive
Table 1-7. 1.2 Megabyte Diskette Drive Specifications
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Dimensions:
Height 1.1 in. (2.8 cm)
Depth 8.0 in. (20.3 cm)
Width 5.8 in. (14.6 cm)
Weight 1.9 lb (0.9 kg)
Media: