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1-12 Chapter 1, Operating and
Performance Specifications
1.11 1.44-MEGABYTE 3½-INCH DISKETTE DRIVE
Dimensions:
Height:
Depth:
Width:
1.62 in. (4.1 cm)
8.25 in. (21 cm)
6.12 in. (15.5 cm)
Weight: 1.75 lb (0.79 kg)
Data Transfer Rate: 250/500
Media:
Tracks per inch:
Number of tracks:
3½-inch 1.44-megabyte double-sided diskette
Dual-density (720-Kbyte mode)
High-density (1.44-megabyte mode)
135
160
Average Access Time: 80 ms
Rotational Speed: 300 RPM
Motor Start Time: 400 ms
Sectors per Track: 9 (720-Kbyte mode)
18 (1.44-megabyte mode)
Bytes per Sector: 512