Advantech PCA-6751 Series - CMOS Backup Select (JP3); Table 1-4: RTC Power and CMOS Clear (JP3)

Chapter 1 Hardware Configuration 11
1.5.5 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 1-4: RTC power and CMOS clear (JP3)
*Normal CMOS data clear
JP3
* default setting
1
1