JETWAY P4XFCU User Manual page 19

(11) IR infrared module Headers (5-pin) : IR
This connector supports the optional wireless transmitting and receiving infrared
module. You must configure the setting through the BIOS setup to use the IR function.
(12) CD Audio-In Headers (4-pin) : CD _ IN
CD _ IN are the connectors for CD-Audio Input signal. Please connect it to CD-ROM
CD-Audio output connector.
CPUFAN
3
1
SYSFAN
1 3
SFAN1
3
1
FAN Speed Headers
Pin 1
IR
2
NC
VCC 5
IRTX
5 6
IR infrared module Headers
CD - IN
4
1
CD Audio-In Headers
17
G ND
IRRX