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Line-Out Header
(4-pin LINE_OUT1)
(see p.10, No. 32)
MIC-In Header
(4-pin MIC_IN1)
(see p.10, No. 33)
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.10, No. 27)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.10, No. 8)
Serial Port Header
(10-pin COM2)
(see p.10, No. 4)
1
1
GND
+12V
FAN_SPEED
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1
2
3
4
PIN Signal Name PIN Signal Name
1
2
4
COM PWR/RI
6
8
10
19
PIN
Signal Name
1
LOUT L
2
AGND
3
LOUT R
4
LOUT JD
PIN
Signal Name
1
MIC L
2
AGND
3
MIC R
4
MIC JD
Please connect a fan cable
to the fan connector and
match the black wire to the
ground pin.
Though this motherboard
provides a 4-Pin CPU fan
(Quiet Fan) connector, 3-Pin
CPU fans can still work suc-
cessfully even without fan
speed control. If you plan to
connect a 3-Pin CPU fan,
please connect it to Pin 1-3.
NC
1
3
CTS
5
RTS
7
DSR
9
COM PWR/DCD
GND
DTR
TXD
RXD
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