Patent ID: 6658515
Filing Date: 2003-12-02
Classification: G06F

Abstract:
A method of transferring data over a bus in a computer system having a processor with System Management Mode architecture, said method comprising:commencing an information transfer after said processor has commenced said System Management Mode, said information transfer including a plurality of bus transaction; exiting said System Management Mode before completion of said information transfer; processing, with a bus controller, a portion of said transfer in lie of processing by said processor; providing a bus controller and a device, said device having a function associated therewith and being in data communication with said bus controller over said bus, with said bus controller being in data communication with said processor, and said commencing an information transfer after said processor has commenced said System Management Mode including sending to said processor, from said bus controller, an interrupt request, before said commencing an information transfer; and wherein said bus controller has client software associated therewith and further including providing a plurality of devices in data communication with said bus controller, polling, each of said plurality of devices, to determine the presence of an interrupt request.