Asus P4B533-VM ASUS P4B533-VMmotherboard user guide, 9.Infrared module connector (two 5-1pin IR), 10.Digital audio connector (4-1pin SPDIF1) (on audio models only)

9.Infrared module connector (two 5-1 pin IR)

These connectors support an optional wireless transmitting and receiving infrared module. The module mounts to a small opening on system chassis that support this feature. You must also configure the UART2 Use As parameter in BIOS to set UART2 for use with IR.

Use the five pins as shown in Back View and connect a ribbon cable from the module to the motherboard SIR connector according to the pin definitions.

P4B533-VM

Standard Infrared (SIR)

Front View Back View

SIR	CIR
IRTX	CIR+5V
GND	CIRRX
IRRX
	GND
+5V	IRAX

IRTX +5V

GND (NC)

IRRX

P4B533-VM Infrared Module Connector

10.Digital audio connector (4-1 pin SPDIF1) (on audio models only)

This connector is for an S/PDIF audio module that allows digital instead of analog sound output. Connect one end of the audio cable to the S/PDIF Out connector on the motherboard, and the other end to the S/PDIF module.

SPDIF1

+5V SPDIFOUT GND

P4B533-VM

P4B533-VM Digital Audio Connector

ASUS P4B533-VM motherboard user guide 2-25