Electrical computers and digital processing systems: support – Computer power control – Having power source monitoring
Reexamination Certificate
2011-01-25
2011-01-25
Du, Thuan N (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
Having power source monitoring
C713S310000, C307S018000, C307S064000, C323S299000
Reexamination Certificate
active
07877622
ABSTRACT:
Methods, apparatus, and products for selecting a redundant power supply mode for powering a computer system are disclosed that include detecting, by a voltage monitoring module, an input voltage level of a power supply; determining, by the voltage monitoring module, whether the input voltage level of the power supply is greater than a predetermined threshold value; if the input voltage level of the power supply is greater than the predetermined threshold value, configuring, by the voltage monitoring module, the power supply for an N+N redundant power supply mode having N primary power supplies and N redundant power supplies; and if the input voltage level of the power supply is not greater than the predetermined threshold value, configuring, by the voltage monitoring module, the power supply for an N+M redundant power supply mode having N primary power supplies and M redundant power supplies, where N is greater than M.
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Crippen, et al.; BladeCenter Packaging, Power, and Cooling; IBM J. Res. & Dev.; Nov. 2005; pp. 887-904; vol. 49 No. 6; IBM.
Biggers & Ohanian LLP
Du Thuan N
International Business Machines - Corporation
Kennedy Brandon C.
Seal Cynthia G.
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