4020 LX  (250-5120)     Floppy Drive Specifications     Faxback Doc. # 1588

1.44MB Diskette Drive:

Unformatted Capacity: 2.0 MB           Average Access Time: 95ms

Formatted Capacity: 1.44 MB          Track-to-Track Access Time: 3ms

Number of Tracks: 80 Per Side        Motor Starting Time: 500ms (700ms max.)

Number of Heads: 2                   Rotation Speed: 300rpm

Media: 3 1/2" High-Density or Standard-Density

NOTE: The 1.44MB diskette drive can read, write, and format standard (720KB) 
diskettes as well as high-capacity (1.44MB) diskettes. This formatting 
requires a different set of command parameters.