Enabling video BIOS and display drivers to leverage system...

Details Enabling video BIOS and display drivers to leverage system... Enabling video BIOS and display drivers to leverage system...

2005-06-14

2005-06-14

Browne, Lynne H. (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

C713S001000, C713S002000, C713S100000, C713S300000, C710S260000, C345S519000, C345S520000, C345S522000, C345S531000

Reexamination Certificate

active

06907521

ABSTRACT:
A method for enabling communication between system BIOS and a graphics device is described herein. In one embodiment, a graphic device sets a system management interrupt (SMI) bit in an interface register located at a predetermined address of a configuration space of a predetermined peripheral device, which triggers an SMI interrupt. As a result, a system BIOS SMI handler is invoked to perform certain operations, including configuring a local memory of the graphics device.

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