Checking Jumper Settings - Acer Aspire T310 Service Manual

Checking Jumper Settings

The following illustration shows the location of the mainboard jumpers. Pin 1 is labeled.
Jumper
JP1
JP3
Jumper
JP1 : Clear CMOS Jumper
JP3: BIOS Protect Jumper
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Type Description
3-pin Clear CMOS
2-pin BIOS Protect
This jumper is to clear the contents of CMOS memory. You may need
to clear the CMOS memory if the settings in the Setup Utility are
incorrect that prevents your mainboard from operating. To clear the
CMOS memory, disconnect all the power cables from the mainboard
and then move the jumper cap into the CLEAR setting for a few
seconds. This jumper enables you to reset BIOS.
This jumper enables you to prevent the BIOS from being updated
(flashed). Set the jumper to disabled if you are going to update your
BIOS. After updating the BIOS, return it to the default setting
(Enabled).
Setting (default)
1-2: Normal
2-3: Clear CMOS
1-2: Write Enable
2-3: Write Disable
Description
JP1
JP3
Chapter 5