Cmos Clear For External Rtc (Jp1) - Advantech PPC-L127T User Manual

4.2 CMOS Clear for External RTC (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 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 4.2: CMOS clear (J1)
* Normal operation
* 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.
1 2 3
Clear CMOS
25
1 2 3
Chapter 4