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Pin
Signal
Names
Pin
Signal
Names
1
USB
Power
1
2
USB
Power
2
3
Negative
Signal
1
4
Negative
Signal
2
5
Positive
Signal
1
6
Positive
Signal
2
7
Ground
1
8
Ground
2
9
Key
(No
Connection)
10
Empty
Pin
Pin
Signal
Names
(HDA)
Pin
Signal
Names
(AC’97)
1
MIC2
L
1
MIC
In
2
AGND
2
GND
3
MIC2
R
3
MIC
Power
4
AVCC
4
N
C
5
FRO-R
5
Line
Out
(R)
6
MIC2_JD
6
Line
Out
(R)
7
F_IO_SEN
7
N
C
8
Key
(no
pin)
8
Key
(no
pin)
9
FRO-L
9
Line
Out
(L)
10
LINE2_JD
10
Line
Out
(L)
C
ONNECTING THE
F
RONT
I/O
P
ORTS
3.1
USB
2.0
Connect the front I/O panel USB cables to the USB header pins on your motherboard. Check the
motherboard manual to ensure that it matches the table below:
3.2
AC’97
/
HD
A
UDIO
P
ORTS
There is an Intel® standard 10-pin AC’97 connector and an Intel® 10-pin HDA (High Definition Audio)
connector linked to the front panel of the case.
10
6
4
2
9
7
5
3
1
You can connect either the AC’97 or the HDA connector, depending on your motherboard. Locate the
internal audio connectors from your motherboard or sound card and connect the corresponding audio
cable. Consult your motherboard or sound card manual for the pin-out positions. Even if your system
supports both standards, only use one connector.
1 2
9 10