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National Stock Number:
7025-01-524-7801
Federal Supply Class:
7025
National Item Identification Number:
015247801
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:
| 07N6350 | 1JPA5 | IBM STORAGE SYSTEMS |
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Techincal Specification:
| DRIVE QUANTITY | 1 | | DRIVE SIZE | 3.50 | | ACCESS TIME IN MILLISECONDS | 3.0 | | DATA STORAGE CAPACITY | 18.35 GIGABYTES | | DESIGN TYPE | COMPACT DISK - READ ONLY MEMORY AND COMPACT DISK - WRITE ONCE | | HEAD TYPE AND QUANTITY | 3 READ/WRITE | | INTERFACE TYPE | SCSI | | OPERATING TEMP RANGE | +5.0 TO 55.0 DEG CELSIUS | | OVERALL HEIGHT | 25.4 MILLIMETERS NOMINAL | | OVERALL WIDTH | 101.6 MILLIMETERS NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HARD DRIVE, SCSI(ULTRASTAR 73LZXHARD DISK DRIVE) | | SPECIAL FEATURES | INCLUDES 17 RECORDING ZONES, 512-528 SECTOR SIZES, 4096KB DATA BUFFER, 10,000 RPM ROTATIONAL SPEED, 68-PIN CONNECTOR, DRIVE FITNESS TEST | | TRANSFER RATE IN MEGABYTES PER SECOND | 160.0 | | UNIT DESIGN | INTERNAL | | UNPACKAGED UNIT WEIGHT | 0.8 KILOGRAMS |
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