Asus P4B-LS User Manual page 53

12. ASUS iPanel connector (24-1 pin AFPANEL) (optional)
This connector allows you to connect an optional ASUS iPanel, an
easy-to-access drive bay with front I/O ports and status LEDs. If you
are not using an ASUS iPanel, you can connect an optional wireless
transmitting and receiving infrared module to the SIR connector.
P4B-LS iPanel Connector
Figure 2-42 ASUS iPanel Connector
13. Digital audio connector (4-1 pin SPDIFOUT) (optional)
This connector connects an SPDIF audio module that allows digital
instead of analog sound output. Connect one end of the audio cable to
the SPDIFOUT connector on the motherboard, and the other end to
the SPDIF module.
P4B-LS Digital Audio Connector
Figure 2-43 Digital Audio Connector
ASUS P4B-LS motherboard user guide
AFPANEL
®
SIR
P4B-LS
CIR
IR_CON
®
P4B-LS
GND
SPDIFOUT
+5V
Standard Infrared (SIR)
Front View
SPDIFOUT
Back View
+5V
IRTX
(NC)
GND
IRRX
2-31