3020-01-450-4846 GEAR,SPUR Index 7610-01-450-4848 GUIDE,USER

National Stock Number:
7025-01-450-4847

Federal Supply Class:
7025

National Item Identification Number:
014504847

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:
ST31276A65867SEAGATE TECHNOLOGY


Techincal Specification:
DRIVE QUANTITY2
DRIVE SIZE3.50
ACCESS TIME IN MILLISECONDS12.5
DATA STORAGE CAPACITY1.28 GIGABYTES
DESIGN TYPECOMPACT DISK - READ ONLY MEMORY
INTERFACE TYPEIDE
OVERALL HEIGHT1.000 INCHES NOMINAL
OVERALL LENGTH5.750 INCHES NOMINAL
OVERALL WIDTH4.000 INCHES NOMINAL
POWER SOURCEEXTERNAL
TRACKS PER INCH4973.0
TRANSFER RATE IN MEGABYTES PER SECOND16.6
UNIT DESIGNDESK TOP
UNPACKAGED UNIT WEIGHT1.300 POUNDS
VOLTAGE IN VOLTS AND CURRENT TYPE12.0 DC


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