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Analog Surround
Audio Header
(17-pin HD_AUDIO2)
(see p.1, No. 20)
3W Audio AMP Output
Wafer Header
(4-pin SPEAKER1)
(see p.1, No. 21)
SPDIF Out Connector
(2-pin SPDIF_OUT1)
(see p.1, No. 18)
Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.1, No. 3)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, No. 16)
PIN
18
16
12
10
2
1
Front_R-
Front_R+
Front_L+
Front_L-
1
1
GND
SPDIFOUT
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
FAN_SPEED_CONTROL
FAN_SPEED
+ 12V
GN D
Signal
PIN
Name
SENSE
17
LFE
15
A_GND
14
13
Surr_Rear_R
11
A_GND
9
Surr_Side_R
8
7
A_GND
6
5
Front_R
4
3
A_GND
2
1
Please connect the chassis
speaker to this header.
Please connect the SPDIF
Out connector of a HDMI
VGA card to this header
with a cable.
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
This motherboard pro-
4
3
vides a 4-Pin CPU fan
2
(Quiet Fan) connector.
1
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
H81TM-ITX
Signal
Name
KEY
A_GND
Center
A_GND
Surr_Rear_L
A_GND
Surr_Side_L
A_GND
Front_L
23
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