MSI N3050I ECO Series Manual page 21

JBAT1: Clear CMOS Jumper
There is CMOS RAM onboard that is external powered from a battery located on
the motherboard to save system configuration data. If you want to clear the system
configuration, set the jumpers 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 motherboard.
PCI_E1: PCIe Expansion Slot
The PCIe slot supports the PCIe interface expansion card.
Important
When adding or removing expansion cards, always turn off the power supply and
unplug the power supply power cable from the power outlet. Read the expansion
card's documentation to check for any necessary additional hardware or software
changes.
Keep Data
21
Clear Data
PCIe x1 Slot