MSI MS-7309 Mode D'emploi page 20

Clear CMoS Jumper: JBat
there is a CMoS RaM onboard that has a power supply from an 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, set the jumper to clear data.
JBat
iMPoRtant
you can clear CMoS by shorting 2-3 pin while the system is off. then return to
-2 pin position. avoid clearing the CMoS while the system is on; it will damage
the mainboard.
overclock FSB Switch: oC_SW (optional)
you can overclock the FSB to increase the processor frequency by changing the
switch. Follow the instructions below to set the FSB.
default
iMPoRtant
Make sure that you power off the system before setting the switch.
*
* When overclocking cause system instability or crash during boot. Please set the
switch to default setting.
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1
keep data
increase 0%
speed of FSB
1
Clear data
increase 5% increase 20%
speed of FSB speed of FSB
1