Electrical computers and digital processing systems: support – Computer power control – Having power source monitoring
Reexamination Certificate
2005-07-05
2005-07-05
Butler, Dennis M. (Department: 2115)
Electrical computers and digital processing systems: support
Computer power control
Having power source monitoring
C713S300000
Reexamination Certificate
active
06915441
ABSTRACT:
A system for providing basic system control functions upon failure of all management processors in a computer system. During normal system operation, a plurality of management processors monitor system sensors that detect system power, temperature, and cooling fan status, and make necessary adjustments. Each management processor normally provides an output signal indicating that it is operating property. A high-availability controller monitors each of these signals to verify that there is at least one operating management processor. When none of the processors indicate that they are operating properly, the high-availability controller monitors the system sensors and updates system indicators. If a problem develops, such as failure of a power supply or a potentially dangerous increase in temperature, the high-availability controller sequentially powers down the appropriate equipment to protect the system from damage.
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patent: 6199180 (2001-03-01), Ote et al.
patent: 6201319 (2001-03-01), Simonelli et al.
patent: 2001/0016918 (2001-08-01), Alexander et al.
patent: 2003/0023887 (2003-01-01), Maciorowski et al.
Erickson Michael John
Macior wski David R.
Mantey Paul J.
Butler Dennis M.
Hewlett--Packard Development Company, L.P.
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