Boots – shoes – and leggings
Patent
1986-11-18
1989-02-21
Heckler, Thomas M.
Boots, shoes, and leggings
G06F 1314
Patent
active
048071803
ABSTRACT:
When a disk controller receiving an access from a host computer to a disk device is connected with a disk connection device, if a relevant disk is used by another disk controller, positioning data for seek, set file mask and set sector are queued in a common memory. When the relevant disk becomes free, the disk controller reads the queued information and requires the disk device for positioning. A request of a reconnection with the host computer is issued from the disk controller informed by the disk unit, which has finished positioning at the position specified by the positioning data, search of an aimed record and a read/write operation of transmitted data are effected without any new intervening of an access program of the host computer.
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R. Snivery, Multitasking controller speeds throughput to multiple disks, Electronic Design, Jan. 1984, pp. 127-136.
Kurano Akira
Nakamura Katsunori
Shiroyanagi Yoshiro
Takamatsu Hisashi
Takeuchi Hisaharu
Chun Debra A.
Heckler Thomas M.
Hitachi , Ltd.
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