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National Stock Number:
7025-01-122-3443
Federal Supply Class:
7025
National Item Identification Number:
011223443
Description:
DISK DRIVE UNIT
Detail:
An electromechanical item which accepts and systematically retains digital input data in such a manner as to facilitate the rapid recovery of stored information. The item may or may not consist of disk(s) some of which are removable, hard, removable disk packs, fixed disks, or removable flexible, each surface coated with a material susceptible to spot magnetization, integral writing, a drive motor and its mechanical linkage, and data translating heads for impressing on or removing from the disk surface data in digital form. The item is a component of an electronic computer. See also, MAGNETIC DRUM, DATA STORAGE; CORE MEMORY UNIT.
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Manufacturer Information:
| 9885S0PT001 | 28480 | HEWLETT-PACKARD COMPANY |
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Techincal Specification:
| SPECIAL FEATURES | TRANSFER RATE BETWEEN COMPUTER AND DISC DRIVE IS 23K BYTES; DOUBLE-DENSITY READ/WRITE; ACCESS TIME ON THE DISC IS 267 MS; HIGH-LEVEL SYSTEM SOFTWARE; 500,000 BYTES OF TOTAL USER-AVAILABLE SPACE PER DISC; MULTIPLE FLEXIBLE DISC DRIVE CONFIGURATION; DATA RECOVERY ROUTINES |
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