Chapter 2
2-20
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). Follow the instruc-
tions below to clear the data:
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.
For TV-out composite function, please short 1-2. For
RCA Video, short 3-4 (default)
CHECK TABLE
.
CMOS
1
2
3
Clear
ON
ON
OFF
Keep
OFF
ON
ON
Setting
1
2
3
4
RCA
ON
ON
OFF
OFF
SPDIF
OFF
OFF
ON
ON
N
A
CLEAR_CMOS
1
2
3
1
3
SPDIF_SEL
2
4
