Asus P4B-FX P4B-FX User Manual - Page 43

ASUS P4B-FX motherboard user guide, USB header 10-1 pin USB2, Infrared module connector 5-1 pin - p4b front panel connections

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5. USB header (10-1 pin USB2) If the USB ports on the rear panel are inadequate, a USB header is available for two additional USB ports. Connect a 2-port USB connector set to the USB header and mount the USB bracket to an open slot in the chassis. USB Power USBP2- USBP2+ GND NC USB2 P4B-FX 1 5 6 10 USB Power USBP3- USBP3+ GND P4B-FX USB Header Figure 2-29 USB Header 6. Infrared module connector (5-1 pin IR_CN) This connector supports an optional wireless transmitting and receiving infrared module. This module mounts to a small opening on system chassis that support this feature. 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. If you installed an infrared module, enable the UART2 Use Standard Infrared parameter in BIOS to set UART2 for use with IR. See section "4.4.2 I/O Device Configuration" for details. If you enable the onboard infrared feature for use with an infrared module, the COM2 port does not work. IR_CN 1 Front View Back View +5V IRRX GND IRTX P4B-FX P4B-FX Infrared Module Connector Figure 2-30 Infrared Module Connector ASUS P4B-FX motherboard user guide IRTX GND IRRX +5V (NC) 2-23

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ASUS P4B-FX motherboard user guide
2-23
Figure 2-29
USB Header
5.
USB header (10-1 pin USB2)
If the USB ports on the rear panel are inadequate, a USB header is
available for two additional USB ports. Connect a 2-port USB connector
set to the USB header and mount the USB bracket to an open slot in the
chassis.
6.
Infrared module connector (5-1 pin IR_CN)
This connector supports an optional wireless transmitting and receiving
infrared module. This module mounts to a small opening on system
chassis that support this feature. 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.
If you installed an infrared module, enable the
UART2 Use Standard
Infrared
parameter in BIOS to set UART2 for use with IR. See section
“4.4.2
I/O Device Configuration”
for details.
Figure 2-30
Infrared Module Connector
P4B-FX
P4B-FX USB Header
USB Power
USBP2–
USBP2+
GND
NC
USB Power
USBP3–
USBP3+
GND
1
5
6
10
USB2
If you enable the onboard infrared feature for use with an infrared
module, the COM2 port does not work.
P4B-FX
P4B-FX Infrared Module Connector
Back View
+5V
IRTX
IRRX
(NC)
GND
Front View
IR_CN
+5V
IRRX
IRTX
GND
1