MSI E350IS-E45 - Manual (Page 18)

8
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.
1 1 1
JBat
keep data Clear data
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.
PCi express Slot
the PCi express slot supports the PCi express interface expansion card.
the PCie x6 slot