MSI Big Bang-Marshal (B3) manual Clear Cmos Jumper JBAT1, JCOM1 Jumpers J3, J2

MS-7670

Jumpers

Clear CMOS Jumper: JBAT1

There is a CMOS RAM on board with an external battery power supply to preserve the system configuration data. With the CMOS RAM, the system can automatically boot OS every time it is turned on. If you want to clear the system configuration, set the jumper to clear data.

1	1	1
JBAT1	Keep Data	Clear Data

Important

You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 1- 2 pin position. Avoid clearing the CMOS while the system is on; it will damage the mainboard.

CPU, SA, CPU I/O, DDR and DMI knob jumpers

These jumpers allow you to enable or disable the function of Driving & Voltage adjustable knob.

Chapter 2

Disable knob Enable knob

JCOM1 Jumpers: J3, J2

These jumpers allow you to enable or disable the JCOM1 connector.

1	1	1
J3
J2
1	1	1
	Enable JCOM1	Disable JCOM1

2-25