Clear CMOS Jumper: JBAT1
There is a CMOS RAM on board that has a power supply
from 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, use the JBAT1
(Clear CMOS Jumper) to clear data. Follow the
instructions below to clear the data:
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 Writh Protect Jumper: JBIOS_WP1
(Optional)
This jumper is used to lock or unlock
the boot block area on BIOS. Whenunlocked, the BIOS boot
block area can be updated. When locked, the BIOS
bootblock area cannot be updated.
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Unofficial eMachines Tech Info