VIA Technologies A7F129 Manual page 24

Mainboard User's Manual
3.5.2.
This 5-pin connector connects to an optional wireless transmitting
and receiving infrared module via a cable and a bracket. Configure
BIOS to enable the IrDA port if you attach an infrared module to this
connector. Refer to Integrated Peripherals in Chapter 4 for details.
3.5.3.
These connectors enable you to connect a CD-ROM to the main-
board and receive stereo audio input.
18
Infrared (IR) Connectors
CD-ROM Connectors
Infrared Connector
IR
Transmitter
IR
Receiver
+5V
CD-ROM Connectors
Pin 1
Left audio channel
Ground
Ground
Right audio channel
CD1
Attaching Connectors
Ground
IRM_IRR
Pin 1
Left audio channel
Ground
Ground
Right audio channel
CD2