Asus VISTA EDITION M2N-PLUS SLI - Manual (Page 34)

2-10 Chapter 2: Hardware information
5. When the fan and heatsink assembly is in place, connect the CPU fan cable
to the connector on the motherboard labeled CPU_FAN.
• Do not forget to connect the CPU fan connector! Hardware monitoring
errors can occur if you fail to plug this connector.
• This connector is backward compatiable with old 3-pin CPU fan.
M2N-PLUS SLI
®
M2N-PLUS SLI CPU fan connector
CPU_FAN
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM