| 摘要 |
Signalling apparatus are used for monitoring a clock signal from a system controller to a processor. If the clock signal is low, indicating that the processor is disabled, the signalling apparatus will place the cache memory in a "sleep" mode. Thus, the signalling apparatus allow a computer system, upon which the signalling apparatus is a part of, to lower its power consumption. If the computer system is a portable computer system, the signalling apparatus will lower power consumption thereby extending the lifetime of the portable computer's batteries.
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