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!
Only the 4-pin CPU fan connector supports the ASUS Q-FAN feature.
9. CPU, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_FAN)
The fan connectors support cooling fans of 350 mA~740 mA (8.88 W max.) or a total of
1 A~2.22 A (26.64 W max.) at +12V. 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.
10. 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 bracket (COM1) is purchased separately.
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