11 1.44-MEGABYTE 3½-INCH Diskette Drive

1-12 Chapter 1, Operating and

Performance Specifications

1.11 1.44-MEGABYTE 3½-INCH DISKETTE DRIVE

Dimensions:
Height:	1.62 in. (4.1 cm)
Depth:	8.25 in. (21 cm)
Width:	6.12 in. (15.5 cm)
Weight:	1.75 lb (0.79 kg)
Data Transfer Rate:	250/500
Media:	3½-inch 1.44-megabyte double-sided diskette
	Dual-density (720-Kbyte mode)
	High-density (1.44-megabyte mode)
Tracks per inch:	135
Number of tracks:	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