Application Note: 3 Device AGP System BIOS Design Guidelines iii
Contents
1.0 Introduction ...................................................................................................................1
2.0 Low Power Mode Overview ..........................................................................................1
2.1 State Diagrams ................................................................................................2
2.2 Supported Single Monitor and Mulitmonitor Configurations.............................4
2.3 Software Sequence..........................................................................................4
Figures
1 Schematic Diagram for GPO27 ......................................................................2
2 Schematic Diagram for GPO28 .......................................................................2
3 Intel740™ Graphics Controller (On-board Device) Remains in
Low Power Mode .............................................................................................3
4 Intel740™ Graphics Controller (On-board Device) State Diagram..................3
Tables
1 Signal Duration of the GPO Signals from PIIX4...............................................2
2 Monitor and Mulitmonitor Configurations .........................................................4