Clear Cmos (Jp1) - Advantech PCA-6773 Series User Manual

2.6 Clear CMOS (JP1)

Warning!
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 2.3: CMOS clear (JP1)
* default setting
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."
*3.0 V normal clear CMOS
13 Chapter 2 Installation