Antec TWELVE HUNDRED V3 - Manual (Page 10)

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 NC
5 FRO-R 5 Line Out (R)
6 MIC2_JD 6 Line Out (R)
7 F_IO_SEN 7 NC
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.