Asus P2B-F P2B-F User Manual - Page 30

III. H/W SETUP Connectors III. HARDWARE SETUP 11. IrDA-Compliant Infrared Module Connector (5-pin IR) This connector supports the 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" in Chipset Features Setup to select whether UART2 is directed for use with COM2 or IrDA. Use the five pins as shown on the Back View and connect a ribbon cable from the module to the motherboard according to the pin definitions. Front View Back View (NC) GND R +5V IRRX IRTX P2B-F Infrared Module Connector IRTX +5V GND (NC) IRRX For the infrared feature to be available, you must connect the optional Infrared (IrDA) module to the motherboard 12. SB-Link™ Connector (6-1 pin SBLINK) If you have a Sound Blaster compatible PCI audio card, you must link it to this connector. Otherwise, you will have compatibility issues under DOS environment. R P2B-F SB-Link™ Connector PC/PCI Grant Sideband Signal 1 PC/PCI Request Sideband Signal DGND 5 2 DGND Serial IRQ 6 SBLINK NOTE: Pin 3 is removed to ensure correct orientation. 13. SMBus Connector (5-1 pin SMB) This connector allows you to connect SMBus devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. The SMBus or System Management Bus is a specific implementation of an I2C bus, which is a multi-master bus, that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer. SMBCLK Ground SMBDATA +5V R 1 P2B-F SMBus Connector 30 ASUS P2B-F User's Manual