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Installing and Replacing Desktop Board Components
59
The three-pin BIOS jumper block enables board configuration to be done in the BIOS
Setup program. Table 17 shows the jumper settings
for the BIOS Setup program
modes.
Table 17. Jumper Settings for the BIOS Setup Program Modes
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 31.
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 28).
5. Place the jumper on pins 2-3.
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.
8. Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a
pop-up screen requesting that you confirm clearing the password. Select Yes and
press <Enter>. Setup displays the maintenance menu again.
9. Press <F10> to save the current values and exit Setup.
10. Turn off the computer. Disconnect the computer’s power cord from the AC power
source.
11. Remove the computer cover.
12. To restore normal operation, place the jumper on pins 1-2.
13. Replace the cover, plug in the computer, and turn on the computer.