MSI C847MS-E33 Series Manual page 22

JBAt: Clear CMoS Jumper
there is CMoS rAM onboard that is external powered from a battery located on
the mainboard to save system configuration data. With the CMoS rAM, the sys-
tem can automatically boot into the operating system (oS) every time it is turned
on. if you want to clear the system configuration, set the jumper to clear the CMoS
rAM.
iMportANt
you can clear the CMoS rAM by shorting this jumper while the system is off.
Afterwards, open the jumper . do not clear the CMoS rAM while the system is on
because it will damage the mainboard.
JuSB_pW, JuSB_pW2 : uSB power Jumpers
these jumpers are used to assign which uSB and pS/2 ports could support "Wake
up Event Setup" field of BioS.
JuSB_pW
(for backpanel uSB
and pS/2 ports)
JuSB_pW2
(for onboard uSB
connectors)
iMportANt
if you set the jumpers to Enabled, the power supply must be able to provide at
least 2A currents.
22
keep data

Support

Support
Clear data

No Support (default)

No Support (default)