MSI Z68A-G45 (G3) Manual - Manual (Page 40)

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Gettng Started
Seral Port Connector: JCOM1
Ths connector s a 16550A hgh speed communcaton port that sends/receves 16
bytes FIFOs. You can attach a seral devce.
1.DC
D
3.SO
UT
10.N
o Pin
5.Gro
und
7.RT
S
9.RI
8.CT
S
6.DS
R
4.DT
R
2.SIN
Jumper
Clear CMOS Jumper: JBAT1
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.
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.