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9
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)
3.3 AC’97/HD Audio Ports
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.
You can connect either the AC’97 or the HDA connector, depending on the model of the 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 audio standards, you may only use one connector.
3.4 Power Switch / Reset Switch / Hard Disk Drive LED Connectors
Connected to your front panel are LED and switch leads for power,
reset, and HDD LED activity. Attach these to the corresponding
connectors on your motherboard. Consult your motherboard
manual for specific pin header locations. For LEDs, colored wires
are positive ( + ). White or black wires are negative ( – ). If the LED
does not light up when the system is powered on, try reversing the
connection. For more information on connecting LEDs to your
motherboard, see your motherboard manual.
Note: Polarity (positive and negative) does not matter for switches. There is also no Power LED in this
case. The illuminated case fans will turn on when there is power to the computer.