Boots – shoes – and leggings
Patent
1994-02-02
1996-04-02
Ray, Gopal C.
Boots, shoes, and leggings
364707, 3642731, 3642732, 3642733, 364264, 3642646, 364247, 364DIG1, G06F 132
Patent
active
055049109
ABSTRACT:
A power management unit including a set of time-out counters and a software configurable state register is provided for managing power consumption within a computer system. Depending upon the state of the power management unit, a power control unit and a clock control unit are configured such that power may be applied or removed from certain components of the computer system and such that the frequencies of a CPU clock signal and a system clock signal may be raised or lowered. The power management unit includes a software configurable state register which allows system software, such as APM responsive software within the system BIOS, to control the state of the power management unit. When the power management unit is in a ready state during which the CPU clock signal and the system clock signal are driven at maximum frequencies and during which power is applied to all computer components, a time-out counter is activated to begin a first count down period. A system monitor monitors various circuit portions of the computer system during this period, and, if certain system activity is not detected, the power management unit enters a doze state upon lapse of the time-out counter. During the doze state, the frequencies of the CPU clock signal and the system clock signal are reduced and/or power is removed from selected inactive circuit portions.
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O'Brien Rita M.
Wisor Michael T.
Advanced Micro Devices , Inc.
Kivlin B. Noel
Ray Gopal C.
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