Power controller for permitting multiple processors to power up

Details Power controller for permitting multiple processors to power up Power controller for permitting multiple processors to power up

1990-05-25

1993-10-05

Anderson, Lawrence E.

Boots, shoes, and leggings

364707, 364DIG1, 364273, G06F 900

Patent

active

052513203

ABSTRACT:
A shared power controller for a rack of interface devices which are shared among a plurality of processor units. The shared power controller may be commanded into a power up mode by any connected central processor via its system power interface. A power down of a connected rack of interface units may, however, only be effected when all the connected CPU units enter a power down mode. A system power controller provides both remote and local operation such that diagnosis and analysis of problems may be effected locally at each rack of input/output devices.

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IBM Technical Disclosure Bulletin, vol. 30, No, 8, Jan. 1988 "Power Control by Hosts to Shared Devices Such as Direct Access Storage Devices".

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