Clear Cmos Jumper: Jbat1 - HP MS-6575 User Manual

The motherboard provides the following jumpers for you to set the
computer's function. This section will explain how to change your
motherboard's function through the use of jumpers.

Clear CMOS Jumper: JBAT1

There is a CMOS RAM on board that has a power supply from external
battery to keep the data of system configuration. With the CMOS RAM, the
system can automatically boot OS every time it is turned on. That battery has
long life time for at least 5 years. If you want to clear the system configuration,
use the JBAT1 (Clear CMOS Jumper ) to clear data. Follow the instructions
below to clear the data:
Note:
To clear CMOS, first make the #2-3 pin short connected after the
system is off. And then power on the system and short connect
#1-2 pin before entering the BIOS (Standard CMOS Features) to
clear data.
Jumpers
Keep CMOS
1
3
JBAT1
Hardware Setup
1
1
3
3
Clear CMOS
2-25