19
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.10,
No. 27)
Please connect a fan cable
to the fan connector and
match the black wire to the
ground pin.
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.10,
No. 8)
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.
FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
1
2
3
4
Serial Port Header
(10-pin COM2)
(see p.10, No. 4)
Line-Out Header
(4-pin LINE_OUT1)
(see p.10,
No. 32)
MIC-In Header
(4-pin MIC_IN1)
(see p.10,
No. 33)
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
1
1
GND
+12V
FAN_SPEED
1
PIN Signal Name PIN Signal Name
2
NC
1
GND
4
COM PWR/RI
3
DTR
6
CTS
5
TXD
8
RTS
7
RXD
10
DSR
9
COM PWR/DCD