MSI X79A-GD45 (8D) - Manual (Page 46)

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Gettng Started
Jumpers
JBAT1: Clear CMOS Jumper
There s CMOS RAM onboard that s external powered from a battery located on the
manboard to save system configuraton data. Wth the CMOS RAM, the system can
automatcally boot nto the operatng system (OS) every tme t s turned on. If you want
to clear the system configuraton, set the jumpers to clear the CMOS RAM.
B AT
T +
Keep Data Clear Data
1 1
Important
You can clear the CMOS RAM by shortng ths jumper whle the system s off. Afterwards,
open the jumper . Do not clear the CMOS RAM whle the system s on because t wll
damage the manboard.
JCOLD1, JCOLD2: Low Temperature Bootng Jumpers
These jumpers are used for lqud ntrogen coolng system to boot at an extreme low
temperature. Try to set one or both jumpers to Enabled to ncrease the boot success
rate.
Dsabled Enabled
B AT T +
Important
Users wll try extreme low temperature overclockng at ther own rsks. The overclockng
results wll vary accordng to the CPU verson.