|
|
|
National Stock Number:
7025-01-430-4999
Federal Supply Class:
7025
National Item Identification Number:
014304999
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:
| 8139 | 20886 | COMPRO COMPUTER SERVICES, INC. | | MODEL NO 8139 | U4228 | ENCORE REAL TIME COMPUTING LTD |
|
Techincal Specification:
| DRIVE SIZE | 9.00 | | DRIVE QUANTITY | 1 | | DATA STORAGE CAPACITY | 82.00 MEGABYTES | | DESIGN TYPE | DISK CARTRIDGE | | OVERALL HEIGHT | 10.200 INCHES NOMINAL | | OVERALL WIDTH | 8.500 INCHES NOMINAL | | OPERATING TEMP RANGE | +50.0 TO 114.0 FAHRENHEIT | | POWER SOURCE | EXTERNAL | | VOLTAGE IN VOLTS AND CURRENT TYPE | 120.0 AC | | TRACKS PER INCH | 550.0 | | TRANSFER RATE IN MEGABYTES PER SECOND | 1.2 | | UNIT DESIGN | RACK MOUNTED | | UNPACKAGED UNIT WEIGHT | 60.000 POUNDS |
|
|