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1-23Chapter 1: Product introduction
DO NOT forget to connect the fan cables to the fan connectors. Insufcient air ow inside
the system may damage the motherboard components. These are not jumpers! Do not
place jumper caps on the fan connectors!
2. 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.
3. Serial port connectors (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module cable to the
connector, then install the module to a slot opening at the back of the system chassis.
The serial port module is purchased separately.
P8H61-M2/TPM/SI R2.0
P8H61-M2/TPM/SI R2.0 Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
GND
+12V
Rotation
CHA_FAN
• The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power.
• Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature.
P8H61-M2/TPM/SI R2.0
P8H61-M2/TPM/SI R2.0 Serial port (COM1) connector
PIN 1
COM1
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
E7361_P8H61-M2-TPM-SI R2.0_Manua23 23 5/16/12 1:44:27 PM