Asus KFN5-D SLI - Manual (Page 32)

2-12 Chapter 2: Hardware information
5. When the fan and heatsink assembly is in place, connect the CPU fan
cable to the appropriate connector on the motherboard, CPU_FAN1 or
CPU_FAN2.
• Do not forget to connect the CPU fan connector! Hardware
monitoring errors can occur if you fail to plug this connector.
• If there is only one CPU fan cable, connect it to the connector
labeled CPU_FAN1. Failure to do so may cause hardware monitoring
errors.
• Before connecting the CPU fan cables, select the appropriate jumper
settings for 3 pin or 4 pin CPU fan connectors. See CPU fan pin
selection on page 2-22 for details.
KFNS-D-SLI
R
KFN5-D SLI CPU Fan Connectors
CPU_FAN1
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CPU_FAN2
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM