Patent ID: 6026495
Filing Date: 2000-02-15
Classification: G06F

Abstract:
A computer system comprising:a CPU unit adapted to receive electrical operating power from a source thereof, said CPU unit including a processor and a data storage device from which data may be retrieved by said processor; anda monitoring system for monitoring CPU power outages, said monitoring system including:a counter device having an on state during which it generates an incrementing count value, and an off state during which said count value remains constant,first means, responsive to a CPU unit operating power outage, for changing the state of said counter device from a selected first one of said on and off states to the other of said on and off states, andsecond means, responsive to a resumption in CPU unit operating power supply, for changing the state of said counter device back to said first one of said on and off states, determining the count value of said counter device, and using the determined count value to generate CPU unit power outage downtime information.