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National Stock Number:
7025-01-491-9728
Federal Supply Class:
7025
National Item Identification Number:
014919728
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:
| 13227206-11 | 27963 | GENERAL DYNAMICS INFORMATION SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS |
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Techincal Specification:
| DRIVE QUANTITY | 1 | | DRIVE SIZE | 3.50 | | ACCESS TIME IN MILLISECONDS | 9.7 | | CRITICALITY CODE JUSTIFICATION | CBBL | | DATA STORAGE CAPACITY | 9.10 GIGABYTES | | DESIGN TYPE | DISK PACK | | FEATURES PROVIDED | ELECTROSTATIC SENSITIVE AND RUGGEDIZED | | OVERALL HEIGHT | 2.300 INCHES NOMINAL | | OVERALL LENGTH | 7.000 INCHES NOMINAL | | OVERALL WIDTH | 4.900 INCHES NOMINAL | | INTERFACE TYPE | SCSI-1 AND SCSI-2 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | REMOVABLE MEMORY SYSTEM;RMS-1910 | | POWER SOURCE | EXTERNAL | | SPECIAL FEATURES | EMBEDDED SERVO,MR HEADS,PRML CHANNEL;SELF-MONITORING ANALYSIS AND REPORTING TECHNOLOGY (SMART);AUTOMATIC ERROR CORRECTION;SELF DIAGNOSTICS PERFORMED AT POWER-ON;AUTO HEAD LOCK AT POWER-OFF;DEDICATED HEAD LANDING ZONE;AUTO ADAPTIVE CACHE;DYNAMIC SPINDLE BRAKING;SINGLE OR DUAL MOUNTING FRAME AVAILABLE | | TRANSFER RATE IN MEGABYTES PER SECOND | 2.5 | | UNIT DESIGN | PORTABLE | | VOLTAGE IN VOLTS AND CURRENT TYPE | 5.0 DC AND 12.0 DC |
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