Patent ID: 7185212

Claim:
A method for Auxiliary-powered Signal Triggered Power Management (ASTPM) using a PCI (Peripheral Component Interconnect) traditional level triggered PM mechanism in a computer system, the computer system including a PCI level triggered PME (Power Management Event) controller and a PCI ASTPM Root Complex, the method comprising: converting an auxiliary-powered wakeup signal generated by the PCIASTPM Root Complex into a Pseudo-PME signal, the auxiliary-powered wakeup signal asserting the Pseudo-PME signal so that a voltage of Pseudo-PME signal changes from a first level to a second level; providing a Pseudo-PME line electrically connecting an output of the PCI ASTPM Root Complex with a PME input of the PCI PME controller for transmitting the Pseudo-PME signal to the PCI PME controller, the PME input receiving PME signals generated by other level triggered devices; and before the computer system is under the control of an operating system, de-asserting the Pseudo-PME signal so that the voltage of the Pseudo-PME signal changes from the second level to the first level; wherein the first level and the second level of the voltage of the Pseudo-PME signal are PCI compliant with the level triggered PME controller.