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Installing and Replacing Desktop Board Components

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.

Intel DZ68BC Product Guide

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