MSI KM4M User Guide - Page 32

Jumpers - v motherboard

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MS-6734 M-ATX Mainboard Jumpers 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. If you want to clear the system configuration, se the JBAT1 (Clear CMOS Jumper ) to clear data. Follow the instructions below to clear the data: 3 1 3 1 3 1 JBAT1 Clear Data Keep Data MSI Reminds You... 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 Frequency Jumpers: SW1 & SW2 These two jumpers provide 100MHz, 133MHz, 166MHz, and 200MHz Front Side Bus frequency selection for overclocking purpose. FSB = 100MHz 3 1 SW1 3 1 SW1 & SW2 FSB = 133MHz FSB = 166MHz 3 1 SW1 3 1 SW1 FSB = 200MHz (for KM4AM only) 3 1 SW1 2-22 3 1 SW2 3 1 SW2 3 1 SW2 3 1 SW2

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2-22
MS-6734 M-ATX Mainboard
CPU Frequency Jumpers: SW1 & SW2
These two jumpers provide 100MHz, 133MHz, 166MHz, and 200MHz
Front Side Bus
frequency selection for overclocking purpose.
SW1 & SW2
1
3
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 auto-
matically boot OS every time it is turned on. If you want to clear the system configuration,
se the JBAT1 (Clear CMOS Jumper ) to clear data. Follow the instructions below to
clear the data:
Jumpers
JBAT1
1
3
Clear Data
1
3
Keep Data
1
3
MSI Reminds You...
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.
FSB = 100MHz
FSB = 133MHz
FSB = 166MHz
FSB = 200MHz
(for KM4AM only)
SW1
1
3
SW2
1
3
1
3
SW1
SW2
1
3
SW1
SW2
1
3
1
3
1
3
SW1
SW2
1
3