Special Features:

Cartridge consists of an oxide coated disk clamped to a hub and encased in a plastic housing; both sides of the disk are used for storage; prerecorded information includes servo positioning data and error track data; 715 tracks per inch with a 64 sectors per track; 9, 677 megabites per second bit rata; storage capaci type 25 megabytes unformatted, 20 megabytes formatted; 8.380 inch long; 8.030 inch wide; 1.000 inch thick

Properties:

A hard case, usually made of plastic or other similar material and containing a flat, hard disk generally made of metal, glass, or the like with a center hole and coated with magnetically sensitive material, usually iron oxide. The magnetic disk is used as a storage medium on which information can be magnetically stored and retrieved. The case is designed to protect the enclosed magnetic disk from contaminants and other physical damage and mounts on the spindle of a disk drive.