MSI 5500 Master Series, User Manual

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Hardware Setup
Jumper
Clear CMOS Jumper: CLR_CMOS
There is a CMOS RAM onboard that has a power supply from an external battery to
keep the data of system configuration. W ith the CMOS RAM, the system can auto-
matically boot OS every time it is turned on. If you want to clear the system configuration,
set the jumper to clear data.
CLR_CMOS
1
Important
You can clear CMOS by shorting 2-3 pin while the system is off. Then return
to 1-2 pin position. Avoid clearing the CMOS while the system is on; it will
damage the mainboard.
BIOS Recovery Jumper: RECOVERY
Users can short connect pin#2-3 to recover the system BIOS with a Recovery
Floppy. W hen the system is done with the job, the buzzer will beep to remind the user
to set the jumper to its normal state (pin#1-2 short connected).
Keep Data
1 3
Clear Data
1 3
RECOVERY
1
Normal
1 3
Recovery
1 3
BIOS Write Protect Jumper: JBIOS_WP
This jumper is used to enable/disable the BIOS flash. W hen you intend to update the
BIOS code, uncap this jumper first. Under normal operation, we suggest that you
disable the BIOS flash by capping this jumper to protect the system BIOS from virus
infection.
Enable BIOS Flash Disable BIOS Flash
JBIOS_WP
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