Filter
Top Products
ASUS P4B-M motherboard user guide
2-25
Figure 2-33 USB Header
5. USB header (10-1 pin USB23)
If the USB port connectors on the rear panel are inadequate, a USB
header is available for two additional USB port connectors. Connect a
2-port USB connector set to the USB header and mount the USB
bracket to an open slot in the chassis.
®
P4B-M
P4B-M USB Header
USB23
1
5
6
10
1: USB Power
2: USBP2–
3: USBP2+
4: GND
5: NC
6: USB Power
7: USBP3–
8: USBP3+
9: GND
6. Infrared module connector (two 5-1 pin IR_CON)
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. You must also configure the UART2
Use As parameter in BIOS to set UART2 for use with IR. See section
“4.4.2 I/O Device Configuration” for details.
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..
®
P4B-M
P4B-M Infrared Module Connector
SIR
KBPWR
IRRX
IRTX
GND
CIRTX
GND
CIRRX
KBPWR
CIR
Standard Infrared (SIR)
Front View Back View
+5V
IRTX
IRRX
(NC)
GND
1
Figure 2-34 Infrared Module Connector