|
|
|
National Stock Number:
7025-01-438-5037
Federal Supply Class:
7025
National Item Identification Number:
014385037
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:
| 88000536 | 64741 | DMA SYSTEMS CORP | | 88000536-4 | 64741 | DMA SYSTEMS CORP | | MMC9400901 | 56341 | SMS TECHNOLOGIES INC | | 88000536-4 MM5/5 | 64741 | DMA SYSTEMS CORP |
|
Techincal Specification:
| DRIVE QUANTITY | 1 | | DRIVE SIZE | 5.25 | | ACCESS TIME IN MILLISECONDS | 3.0 | | DATA STORAGE CAPACITY | 12.80 MEGABYTES | | DESIGN TYPE | DISK CARTRIDGE | | HEAD TYPE AND QUANTITY | 4 READ/WRITE | | OPERATING TEMP RANGE | +40.0 TO 122.0 FAHRENHEIT | | OVERALL HEIGHT | 3.250 INCHES NOMINAL | | OVERALL LENGTH | 10.500 INCHES NOMINAL | | OVERALL WIDTH | 5.750 INCHES NOMINAL | | UNIT DESIGN | FREE STANDING | | VOLTAGE IN VOLTS AND CURRENT TYPE | 12.0 DC | | TRANSFER RATE IN MEGABYTES PER SECOND | 5.0 | | TRACKS PER INCH | 454.0 |
|
|