3. HARDWARE SETUP 15) Internal Audio Connectors (4-pin CD_IN, AUX, VIDEO, MODEM) These connectors allow you to receive stereo audio input from such sound sources as a CD-ROM, TV tuner, or MPEG card. The MODEM connector allows the onboard audio to interface with a voice modem card with a similar connector. It also allows the sharing of mono_in (such as a phone) and mono_out (such as a speaker) between the onboard audio and a voice modem card. CD (White) Right Audio Channel Left Audio Channel Ground VIDEO (Green) Right Audio Channel Left Audio Channel Ground ® Left Audio Channel Ground Right Audio Channel CUV4X-M Modem-Out (from Modem) Ground Modem-In (to Modem) Connectors 3.
H/W SETUP CUV4X-M Internal Audio Connectors 16) Standard and Consumer Infrared Module Connector (5-pin IR) This connector supports an optional wireless transmitting and receiving infrared module. This module mounts to a small opening on system cases that support this feature. You must also configure the setting through UART2 Use Infrared (see 4.4.2 I/O Device Configuration) to select whether UART2 is directed for use with COM2 or IrDA. Use the five pins as shown in Back View and connect a ribbon cable from the module to the motherboard’s SIR connector according to the pin definitions.
An optional consumer infrared (CIR) set connects to the CIR and SIR connectors simultaneously for both wireless transmitting and re- mote control functions through one external infrared module. Wake On PS2 KB/Mouse in 4.5.1 Power Up Control must be Enabled in order to use Con- sumer Infrared (CIR) power up. IR Front View Back View IRRX GND IRTX ® 1 +5V (NC) +5V IRTX CUV4X-M IRRX (NC) GND CUV4X-M Infrared Module Connector 36 ASUS CUV4X-M User’s Manual L G R UX (Black) MODEM M G