Special Features:

Input interface, decodes bus and tag lines from controller, commands and addresses, write-converts data from controller to magnetic recordings, read-converts magnetic recording to data for controller, positions read-write heads at location specified by controller, provides status of all significantevents to controller, single disk unitper assembly, logic level indicating logical connection to the controller, 208 or 230 vac porm 10v, 60 hz porm 1 hz, 15 amp power reqmt, 40.25 in. H, 30.0 in. W, 24.0 in. D, 350 lbs wt

Properties:

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.