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Installation
2-19
Jumpers
The mainboard provides jumpers for setting the mainboard’s functions. This
section will explain how to change settings for your mainboard’s functions
through the use of the jumpers.
Clear CMOS: CLEAR_CMOS
The onboard CMOS RAM stores system configuration data and has an
onboard battery power supply. The long-life battery has a lifetime of at least
5 years. If you want to clear the system configuration data from the CMOS
RAM, use the CLEAR_CMOS (Clear CMOS jumper). You can clear the
CMOS by shorting pins 1 and 2 while the system is off. Then return it to the
2-3 pin position. Shorting the jumper while the system is on will damage the
mainboard. The default position of the jumper is on pins 2 and 3.
RCA Video or S/PDIF Select: SPDIF_SEL
Users can select either RCA Video or
S/PDIF as the enabled function on the
dual-purpose port.
Please note that text
may not be clear due to the lower
resolution in TV sets. If the text is not
legible, try enlarging the text in the OS
control panels. If your TV screen
flickers, set the refresh rate to 60 Hz or
less.
Setting 1 2 3
Keep OFF ON ON
Clear ON ON OFF
CLE266
CLEAR_CMOS
3
1
1
3
SPDIF_SEL
2
4
Setting 1 2 3 4
RCA ON ON OFF OFF
SPDIF OFF OFF ON ON