IBM 100/10, PCM-9575 user manual Clear CMOS JP4, 3 CMOS clear JP4

2.6 Clear CMOS (JP4)

Warning! 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.”

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 (JP4)

*3.0 V Battery on Clear CMOS

* default setting

13 Chapter 2 Installation