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ASUS P4B motherboard user guide
2-31
Figure 2-43 Digital Audio 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.
12. ASUS iPanel connector (24-1 pin AFPANEL)
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.
Figure 2-42 ASUS iPanel Connector
P4B
®
P4B iPanel Connector
+5VSB
NC
CHASSIS#
+5 V
PCIRST#
GND
CIRRX
EXTSMI#
MLED-
NC
BATT
NC
SMBDATA
GND
+3VSB
IRRX
IRTX
NC
NC
NC
+5V SMBCLK
NC
+5VSB
NC
+5 V
GND
CIRRX
NC
GND
IRRX
IRTX
CIR
SIR
IR_CON
Standard Infrared (SIR)
Front View Back View
+5V
IRTX
IRRX
(NC)
GND
AFPANEL
P4B
®
P4B Digital Audio Connector
+5V
SPDIFOUT
GND
SPDIFOUT