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19
2.3.13 *Front Panel Audio Header: *P53
Signal
Description
Pin
#
Pin
#
Signal
Description
AUD_MIC_L 1 2 GND
AUD_MIC_R 3 4 AVDD
AUD_FP_R 5 6 AUD_RET_R
F_AUD_DET 7 8 KEY
AUD_FP_L 9 10 AUD_RED_L
Note: a. If you use onboard Audio
port, you must close Pin5-Pin6
and Pin9-Pin10.
b. P53 is only available on
S2877ANRF version.
2.3.14 CPU FAN Connector: J9/J37
PIN1
Use these connectors to connect
processor cooling fans to your
motherboard.
J9 for CPU1 & J37 for CPU2.
This 4-pin fan connector supports a
new standard fan with integrated
fan speed control on the fan itself
for better fan life.