Advantech PPC-L60T User Manual page 16

3.6 Clear CMOS (S2)
Warning! To avoid damaging the computer, always
turn off the power supply before setting
"Clear CMOS." Before turning on the
power supply, set the jumper back to "3.0
V Battery On."
This jumper is used to erase CMOS data and reset system
BIOS informa- tion.
The procedure for clearing CMOS is:
1. Turn off the system.
2. Short pin 2 and pin 3.
3. Return jumper to pins 1 and 2.
4. Turn on the system. The BIOS is now reset to its default
setting
Table 4.3: CMOS clear (S2)
Condition
unpressed*
pushed
CMOS
* default setting
Result
Normal
Clear