Abit AN7 Computer Hardware User Manual


 
D-4 Appendix D
AC2003 POST Code Definition:
POST
(hex)
Description
Power On Sequence
81 Start power on sequence
82 Enable ATX power supply
83 ATX power supply ready
84 DDR voltage ready
85 Setup PWM for CPU core voltage
86 Assert PWM for CPU core voltage
87 Check CPU core voltage
88 CPU core voltage ready
89 Initial clock generator IC
8A North Bridge chipset voltage ready
8B AGP voltage ready
8C 3VDUAL voltage ready
8D VDDA 2.5V voltage ready
8D GMCHVTT voltage ready
8E Check CPU fan speed
8F Assert all power ready
90
Complete uGuru initial process
AWARD BIOS take over booting job
Power Off Sequence
91 Start power off sequence
92 De-Assert all power
93 Se-Assert power on
94 De-Assert LDT Bus power
95 De-Assert PWM for CPU core voltage
96 De-Assert CPU core voltage
97 Check CPU core voltage
98 De-Assert ATX power supply
99 Complete power off sequence
Others
F0 Button reset
F1 SoftMenu reset
F2 Power on sequence timeout
F3 Power off sequence timeout
AN7