User's Manual

1-28
Chapter 1: Product introduction
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.
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.
Do not forget to connect the fan cables to the fan connectors. Insufcient air ow 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.
PIN 1
COM1
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
P8H61-M LE R2.0
P8H61-M LE R2.0 Serial port (COM1) connector
P8H61-M LE R2.0
P8H61-M LE R2.0 Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
Rotation
+12V
GND
CHA_FAN