Asus Pundit P3-PH5X User Manual page 25

3. When the fan and heatsink assembly is in place, connect the CPU fan cable
to the connector on the motherboard.
P5B-VM CPU Fan Connector
Do not forget to connect the CPU fan connector! Hardware monitoring errors
can occur if you fail to plug this connector.
ASUS Pundit P3-PH5X
CPU_FAN
2-9