1-29Chapter 1: Product introduction
4. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
The S/PDIF module is purchased separately.
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!
3. 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.
• 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 feature.
CHA_FAN
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
P8H61/USB3 R2.0
P8H61/USB3 R2.0 fan connectors
Rotation
+12V
GND
P8H61/USB3 R2.0
P8H61/USB3 R2.0 Digital audio connector
SPDIF_OUT
+5V
SPDIFOUT
GND