ASUS P7H55 1-24
7. 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!
6. CPU, power, and chassis fan connectors
(4-pin CPU_FAN, 3-pin PWR_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.
• Only the 4-pin CPU fan supports the ASUS Q-FAN feature.
• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.
• Only the CPU_FAN and CHA_FAN connectors support the FAN Xpert feature.
• If you install two VGA cards, we recommend that you plug the rear chassis fan cable to
the motherboard connector labeled CHA_FAN for better thermal environment.
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
P7H55
P7H55 fan connectors
PWR_FAN
Rotation
+12V
GND
CHA_FAN
Rotation
+12V
GND
P7H55
SPDIF_OUT
+5V
SPDIFOUT
GND
P7H55 Digital audio connector
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