Cmos Clear For External Rtc (S1) - Advantech PPC-L156T User Manual

4.2 CMOS Clear for External RTC (S1)

Warning!
This switch is used to erase CMOS data and reset system BIOS informa-
tion.
The procedure for clearing CMOS is:
1. Turn off system.
2. Push SW1.
3. Turn on the system. The BIOS is now reset to its default setting.
To avoid damaging the computer, always turn off
the power supply before setting "Clear CMOS".
Set the jumper back to "Normal operation" before
turning on the power supply.
27 Chapter 4