Chapter 2
P5I848P
11
Diagnosis LED(Optional)
During the POST, the LED1~LED5 representing POST steps will light up in turn.
During the POST, If use the CPU of Hyper-Threading and Hyper-Threading is en-
able in the BIOS, the LEDs will light up in turn, then blink together. please refer to the
following table to learn the POST status:
LED1 LED2 LED3 LED4 LED5 status
blink off off
off
off CPU damaged , BIOS chip absent or damaged
on off off
off
off system detect CPU and initialize chipset
off on off
off
off system detect memory
off
off on
off
off system initialize PCI
off off off
on
off system initialize clockgen
off off off
off
on system detect Video and invoke Video BIOS
on on on on on Hyper-Threading OK
LED1
LED5
LED3
LED4
LED2
