28 ASUS TXP4 User’s Manual
III. INSTALLATION
14. USB, PS/2 Mouse, Infrared (IrDA) Module Connector (18-pin block)
If you want to use USB, PS/2 mouse, or infrared devices, you need to purchase
an external connector set. The external connector set connects to the 18-pin
block and mounts to an open slot on your computer’s chassis. The system will
direct IRQ12 to the PS/2 mouse if one is detected. If not detected, expansion
cards can use IRQ12. See PS/2 Mouse Control in BIOS Features Setup and
USB Function in PnP and PCI Setup of the BIOS SOFTWARE. See Second
Infrared... connector for details on the infrared connector.
USB, PS/2 Mouse, IrDA Module Connector
Optional USB/MIR
1: USB +5Volt
2: USB Port 0 –
3: USB Port 0 +
4: Ground
5: (no connection)
6: PS/2 Mouse Clock
7: Ground
8: Reserved
9: Reserved
10: USB +5Volt
11: USB Port 1 –
12: USB Port 1 +
13: Ground
14: (no connection)
15: PS/2 Mouse Data
16: Ground
17: Reserved
18: Reserved
1
9
18
10
R
PS/2
Mouse
USB 0
USB 1
Infrared
15. Second IrDA & Fast IR-Compliant Infrared Connector (IR)
This connector supports the optional wireless transmitting and receiving infra-
red module. This module mounts to a small opening on system cases that sup-
port this feature. You must also configure the setting through UART2 Use Infra-
red in Chipset Features Setup to select whether UART2 is directed for use
with COM2 or IrDA. Use the five pins as shown below (Back View) and con-
nect a ribbon cable from the module to the motherboard according to the pin
definitions.
Infrared Module Connector
For the infrared feature to be available, you
must connect an optional infrared module to
the motherboard.
Front View
+5V
IRTX
IRRX
NC
GND
Back View
IRRX
+5V
IRTX
FIRRX
GND
R
(Connectors)
III. INSTALLATION
