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3 . I/O extension module (22-pin IOC_MB)
(3-pin CPU_FAN, 3-pin CHA_FAN)
This connector is for the CGAEX extension module. The CGAEX extension module supports the rear panel serial port.
COM1
§
§ | CGAEX |
IOC_DC
IOC_MB connector
4 . CPU and chassis fan connectorsThe fan connectors support the proprietary CPU fan and chassis fan. Connect the fan cable to the connector matching the black wire to the ground pin.
CPU_FAN
GND
CPUFANPWR
CPUFANIN
§
CHA_FAN
GND
CPUFANPWR
SYSFANIN
Fan connectors
Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow within the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors!
ASUS | 4 - 5 |