Advantech PCA-6751 Series - CMOS Backup Select (JP3); Table 1-3: RTC Power and CMOS Clear (JP3)

10 PCA-6751/6751V User's Manual
1.5.3 CMOS backup select (JP3)
Warning: To avoid damaging the computer, always turn off the
power supply before setting "Clear CMOS". Set the
jumper back to normal before turning on the power
supply.
Table 1-3: RTC power and CMOS clear (JP3)
*Normal CMOS data clear
JP3
* default setting
1
2
3
1
2
3