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National Stock Number:
7025-01-076-1778
Federal Supply Class:
7025
National Item Identification Number:
010761778
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:
| 2305830 | 30338 | INTERNATIONAL BUSINESS MACHINES CORP INFORMATION RECORDS DIV | | 2305830 | F1219 | CIE IBM FRANCE | | 3740 | F1219 | CIE IBM FRANCE | | IBM2305830 | 30338 | INTERNATIONAL BUSINESS MACHINES CORP INFORMATION RECORDS DIV | | MX1SD26P | F2243 | EMTEC MAGNETICS FRANCE |
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Techincal Specification:
| SPECIAL FEATURES | ONE SIDE RECORDING;SECTORING INFORMATION IS RECORDED MAGNETICALLY;26 SECTORS;128 BYTES PER SECTOR; 246,272 USEABLE BYTE CAPACITY;401K MAXIMUM BYTE CAPACITY(UNFORMATTED);3268 DATA BITS PER INCH(INNERMOST TRACK);FM ENCODING TECHNOLOGY;77 TRACK CONFIGURATION;8.00 IN.BY 0.06 IN. O/A DIM;MOUNTS ON A DRIVE SPINDLE HOLE AND ONE INDEX HOLE |
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