5365-01-057-7004 SPACER,PLATE Index 1430-01-057-7006 BRACKET ASSEMBLY,WIRING HARNESS

National Stock Number:
7025-01-057-7005

Federal Supply Class:
7025

National Item Identification Number:
010577005

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.


Manufacturer Information:
9885M28480HEWLETT-PACKARD COMPANY
9885MOPT002-02528480HEWLETT-PACKARD COMPANY


Techincal Specification:
DESIGN TYPEFLEXIBLE DISK
SPECIAL FEATURESBUILT-IN CONTROLLER, UP TO THREE SLAVES CAN CONNECT TO ONE MASTER, AVERAGE TRANSFER RATE BETWEEN COMPUTER AND DISK DRIVE IS 32KB, DOUBLE-DENSITY READ/WRITE ON FLEXIBLE DISK FURTHER ENHANCES ACCESS RATE AND INCREASES TOTAL STORAGE CAPABILITY, AVERAGE ACCESS TIME TO ANY LOCATION ON THE DISK IS 267MS, HAS RANDOM ACCESS, DISK DIRECTORY, EFFICIENT PACKING OF DATA ON DISK, WRITE VERIFY FEATURE


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