Asus P4B-E Motherboard DIY Troubleshooting Guide - Page 52
P4B-E Front Panel Connectors
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2-34 P4B-E Audio Panel Connector P4B-E ® MIC2 AGND Line in_L AGND2 Line in_R MICPWR Line out_L AGND3 Line out_R AAPANEL IRRX P4B-E Front Panel Connectors (NC) GND +5V IRTX ® IR_CON Standard Infrared (SIR) Front View Back View P4B-E SIR CIR NC GND NC CIRRX +5VSB +5 V IRRX GND IRTX NC GND NC CIRRX +5VSB CHASSIS# EXTSMI# +5V MLEDPCIRST# BATT NC +5 V IRRX GND IRTX SMBDATA +3VSB SMBCLK NC NC NC AFPANEL
![](/manual_guide/products/asus-p4be-motherboard-diy-troubleshooting-guide-e160690/52.png)
2-34
P4B-E
P4B-E Audio Panel Connector
MICPWR
Line in_R
Line in_L
MIC2
Line out_L
AGND
AGND2
AGND3
Line out_R
AAPANEL
P4B-E
P4B-E Front Panel Connectors
+5VSB
NC
CHASSIS#
+5 V
PCIRST#
GND
CIRRX
EXTSMI#
MLED-
NC
BATT
NC
SMBDATA
GND
+3VSB
IRRX
IRTX
NC
NC
NC
+5V
SMBCLK
AFPANEL
Standard Infrared (SIR)
Front View
Back View
+5V
IRTX
IRRX
(NC)
GND
+5VSB
NC
+5 V
GND
CIRRX
NC
GND
IRRX
IRTX
CIR
SIR
IR_CON