Abit AT8 32X User Manual page 71

POST Code Definition
AC2005 POST Code Definition:
POST
Description
(hex)
8.1.
Start power on sequence
8.2.
Enable ATX power supply
8.3.
ATX power supply ready
8.4. DDR voltage ready
8.5.
Setup PWM for CPU core voltage
8.6.
Assert PWM for CPU core voltage
8.7.
Check CPU core voltage
8.8. CPU core voltage ready
8.9.
Initial clock generator IC
8.A.
North Bridge chipset voltage ready
8.B.
AGP voltage ready
8.C. 3VDUAL voltage ready
8.D.
VDDA 2.5V voltage ready
8.D.
GMCHVTT voltage ready
8.E.
Check CPU fan speed
8.F. Assert all power ready
Complete µGuru initial process
9.0.
AWARD BIOS take over booting job
9.1. Start power off sequence
9.2.
De-Assert all power
9.3.
De-Assert power on
9.4. De-Assert LDT Bus power
9.5. De-Assert PWM for CPU core voltage
9.6.
De-Assert CPU core voltage
9.7.
Check CPU core voltage
9.8. De-Assert ATX power supply
9.9. Complete power off sequence
F.0.
Button reset
F.1.
SoftMenu reset
F.2. Power on sequence timeout
F.3. Power off sequence timeout
NOTE: The decimal point lights up when executing the AC2005 POST action.
Power On Sequence
Power Off Sequence
Others
H-5
User's Manual