Asus P8H61-M LE CSM R2.0 P8H61-M LE R2.0 User's Manual - Page 40
P8H61-M LE R2.0 Fan connectors
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3. Serial port connector (10-1 pin COM1) This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. COM1 PIN 1 RXD DTR DSR CTS DCD TXD GND RTS RI P8H61-M LE R2.0 P8H61-M LE R2.0 Serial port (COM1) connector The COM module is purchased separately. 4. CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND P8H61-M LE R2.0 CHA_FAN Rotation +12V GND P8H61-M LE R2.0 Fan connectors Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! • The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power. • Only the 4-pin CPU fan supports ASUS FanXpert feature. 1-28 Chapter 1: Product introduction