Chapter 1: Introduction
1.
Message LED Lead (TB LED)
This indicates whether a message has been received from a fax/modem. The LED
will remain lit when there is no signal and blink when there is data transfer or
waiting in the inbox).
2.
Reset Switch Lead (RESET)
This 2-pin connector connects to the case-mounted reset switch for rebooting your
computer without having to turn off your power switch. This is a preferred
method of rebooting in order to prolong the life of the system’s power supply.
3.
Keyboard Lock Switch Led & System Power LED (KEYLOCK)
This 5-pin connector connects to the case-mounted keyboard lock switch for
locking the keyboard and also to connect the system power LED. The system
power LED lights when the system is powered on and blinks in sleep mode.
4.
Speaker Connector (SPEAKER)
This 4-pin connector connects to the case-mounted speaker.
5.
PS/2 Mouse, USB, Infrared Connector (18-pin block)
If you are using a PS/2 mouse, USB, or Infrared devices, you must purchase an
optional 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.
Red wire of the
connector must be connected to the pin 1 of the J10, J11 USB on board .
6.
Second Infrared (IrDA) & Fast IR-Compliant Infrared Connector (IR)
This is a second connector that supports the optional wireless transmitting and
receiving infrared module. This module mounts to a small opening on system cases
that support this feature. You must also configure the setting through “UART2 Use
Infrared” in Chipset Features Setup to select whether UART2 is directed for use with
COM2 or IrDA. Use the five pins as shown on the Back View and connect a ribbon
cable from the module to the motherboard according to the pin definitions.
Summary of Contents for ATX431
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