Installing and Replacing Desktop Board Components
47
The three-pin BIOS jumper block enables all board configuration to be done in the
BIOS Setup program. Table 11 shows the jumper settings for
the BIOS Setup
program modes.
Table 11. Jumper Settings for the BIOS Setup Program Modes
Jumper
Setting
Mode
Description
Normal (default) (1-2) The BIOS uses the current configuration and
passwords for booting.
Configure (2-3) After the Power-On Self-Test (POST) runs, the
BIOS displays the Maintenance Menu. Use this
menu to clear passwords.
Recovery (None) The BIOS recovers data in the event of a failed
BIOS update.
Clearing Passwords
This procedure assumes that the board is installed in the computer and the
configuration jumper block is set to normal mode.
1. Observe the precautions in "Before You Begin" on page 23.
2. Turn off all peripheral devices connected to the computer.
Turn off the computer.
Disconnect the computer’s power cord from the AC power source (wall outlet or
power adapter).
3. Remove the computer cover.
4. Find the configuration jumper block (see Figure 23).
5. Place the jumper on pins 2-3 as shown
below.
6. Replace the cover, plug in the computer, turn on the computer, and allow it to
boot.
7. The computer starts the Setup program. Setup displays the Maintenance menu.
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