Jumper -25, Clear cmos jumper, Jbat1 – MSI A55M-P35 User Manual
Page 35: Usb power jumper, Jusb_pw1~2, Chapter 1 jumper, Clear cmos jumper: jbat1, Important, Usb power jumper: jusb_pw1, jusb_pw2

1-25
MS-7697
Chapter 1
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. After-
wards, open the jumper . Do not clear the CMOS RAM whle the system s on because
t wll damage the manboard.
USB power Jumper: JUSB_PW1, JUSB_PW2
The USB ports on the rear IO panel are controled by JUSB_PW2. The JUSB1 and
JUSB2 are controled by JUSB_PW1. These jumpers allow you to enable/ dsable the
“wakeup from S3/S4/S5 by USB and PS/2 devce” functon
Dsabled
(default)
1
1
Enabled
Important
If you set the jumper to Enabled, the power supply must be able to provde at least 2A
currents.