Method for making redundant power supplies hot-pluggable

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39575006, G06F 126

Patent

active

059095830

ABSTRACT:
It has been discovered that providing a computer system with a hot pluggable power supply as well as a disconnectable resistive load allows a second power supply to be brought on-line while operating within the proper voltage range and then disconnecting the resistive load from the power supply so as to conserve energy and lower the operating temperature of the computer system. Such a system also conserves energy by reducing the size of the fan that the computer system requires. Such a system also allows for a the use of larger test resistor thus providing a more accurate load test. Such a system also allows for saving space as one test circuit can be used for both power supplies. Such a system also allows for a reduced capacity power supply as the power supply does not have to continuously supply power to the resistive test load.

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patent: 5767661 (1998-06-01), Williams

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