CHAINTECH 7AIV2 Manual page 16

Onboard Audio (JP1)
Clear CMOS data jumper (JP6)
Infrared Connector (J2)
1
Enable(default)
This function allows you to enable and disable
the onboard audio. You must set the jumper's cap
to pins 1-2 to enable or set pins 2-3 to disable
this function.
Normal (default)
To clear the contents of the CMOS, please follow
the steps below.
1. Disconnect the system power supply from the
power source.
2. Set the jumper cap at location 2~3 for 5 seconds,
then set it back to the default position.
3. Connect the system's power and then start the
system.
4. Enter BIOS's CMOS Setup Utility and choose
Load Setup Defaults. Type Y and press enter.
5. Set the system configuration in the Standard
CMOS Setup menu.
If you enable the UART 2 Mode in BIOS’s
Integrated Peripherals menu the COM2 port
will support IR functions. (See section 3-4)
Vcc
Ir-Rx
GND
Ir-Tx
Vcc
Hardware Setup
Disble
Clear CMOS Data
13