MSI MS-7740

2-17
Hardware Setup
MS-7740
Chapter 2
Jumper
Clear CMOS Jumper: JBAT1
There is a CMOS RAM onboard that has a power supply from an external battery to
keep the data of system con󰘰guration. With the CMOS RAM, the system can automati-
cally boot OS every time it is turned on. If you want to clear the system con󰘰guration,
set the jumper to clear data.
JBAT1
Keep Data Clear Data
1 1
Important
You can clear CMOS by shorting 1-2 pin while the system is o󰘯, then open it. Avoid
clearing the CMOS while the system is on; it will damage the mainboard.
USB power Jumper: JUSB_PW1
This jumper is used to select USB connectors powered by VCC5 or 5VSB. Set to 5VSB
if you want them provide power in standby mode.
1 5
2 6
1 5
2 6
1 5
2 6
Close 1-3, 2-4.
Keep USB power to
VCC5 (default)
Close 3-5, 4-6.
Keep USB power to
5VSB
JUSB_PW1
(for on-board USB
connectors)
Important
If you set the jumper to 5VSB, the power supply must be able to provide at least 2A
currents.