Acer Aspire T300 Service Manual page 72

Jumper Settings
Jumper
JP1
JP3
66
Type Description
3-pin Clear CMOS
3-pin BIOS protect
Jumper 1 – Enables you to clear the BIOS. Follow these
instructions:
1. Turn the system off.
2. Short pins 2 and 3 on jumper 1.
3. Return the jumper to the normal setting.
4. Turn the system on. The BIOS is returned to
the default settings.
Jumper 3 – 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
1
1-2: Write Protect
Disabled
2-3: Write Protect
Enabled
1
JP1
JP3
Chapter 5