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Jumper JBAT1 – enables you to clear the BIOS. Refer to the
following instructions:
1. Turn the system off.
2. Remove all ATX power connectors (including JATX1,
JATX2, and JATX3).
3. Short pins 2 and 3 on JBAT1.
4. Return the jumper to the normal setting.
5. Plug in all ATX power connectors
6. Turn the system on. The BIOS is returned to the de-
fault settings.
Jumper 1 – enable this jumper if you want keyboard activity
to turn on the computer.
Jumper 2 – enable this jumper if you want device activity on
the USB ports to turn on the computer.
Jumper 3 (option) – enable this jumper if you are going to
use the onboard LAN function.
Note: When making changes to JP3, ensure that you dis-
connect AC power first.
Jumper 9 – enables and disables the BIOS from being up-
dated (flashed). Set the jumper to enabled if you are going to
update your BIOS. After updating the BIOS, return it to the
disabled setting. For instructions on updating the BIOS refer
to Chapter 3.
Jumper 12 – This jumper enables or disables the onboard
audio codec.
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