Asus P5Q WS - Manual (Page 63)

ASUS P5Q WS 2-37
2.8.3 G.P. Diagnosis card check codes
D0 Initiate chip 75 Detect IDE
D1 Enable IO device for bootlock 78 Initiate option ROM
D2 Check and wake up system 85 Show post error
D3
Prepare system for memory detection
and sizing
87 Enter BIOS setup
A4 BIOS boot menu
D4 Memory test AC OS in PIC mode
D5 Copy BIOS from ROM to RAM AA OS in APIC mode
C0 Early CPU initiation 01 S1
C5 Wake up AP 03 S3
0A Initiate KBC8042 04 S4
0B Detect PS2 mouse 05 S5
0C Detect PS2 keyboard 10 Resume from S1
38 USB initiation 30 Resume from S3
52 Display USB devices 40 Resume from S4
2A Initiate VGA BIOS 00 Leave BIOS and pass control to OS