Installation Instructions
P5I945P(G)
10
Fan Connectors (CPU_FAN, SYS_FAN and CHS_FAN(optional))
The fan speed of these three fans can be detected.
SYS_FAN
CPU_FAN
+12V
SENSE
GND
+12V
GND
SENSE
CHS_FAN
(optional)
PWM
+12V
GND SENSE
Diagnosis LED
During the POST , the LED1~LED5 representing POST steps and detecting Hyper-
threading CPU will light up in turn.
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
off off off off off ready for loading OS
LED1
LED5
LED3
LED4
LED2
