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National Stock Number:
7025-01-442-5694
Federal Supply Class:
7025
National Item Identification Number:
014425694
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:
| AC 21600 | 52840 | WESTERN DIGITAL CORP |
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Techincal Specification:
| DRIVE SIZE | 3.50 | | DRIVE QUANTITY | 2 | | ACCESS TIME IN MILLISECONDS | 12.0 | | DATA STORAGE CAPACITY | 1624.00 MEGABYTES | | DESIGN TYPE | HARD DISK | | INTERFACE TYPE | EIDE | | INTERLEAVE RATE RATIO | 1.0 | | OVERALL HEIGHT | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 5.750 INCHES NOMINAL | | OVERALL WIDTH | 4.000 INCHES NOMINAL | | SPECIAL FEATURES | 40-PIN, 2 DISK, 4 HEADS, 512 BYTES PER SECTOR, TRACK TO TRACK 3MS, 128KB BUFFER | | POWER SOURCE | EXTERNAL | | VOLTAGE IN VOLTS AND CURRENT TYPE | 12.0 DC | | TRANSFER RATE IN MEGABYTES PER SECOND | 16.6 | | UNIT DESIGN | INTERNAL |
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