Intel DQ45EK Product Guide - Page 51

Clearing BIOS Security Passwords, Table 13. Jumper Settings for the BIOS Setup Program Modes

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Installing and Replacing Desktop Board Components Table 13. Jumper Settings for the BIOS Setup Program Modes Jumper Setting Mode Normal (default) (1-2) Description The BIOS uses the current configuration and passwords for booting. Configure (2-3) Recovery (None) After the Power-On Self-Test (POST) runs, the BIOS displays the Maintenance Menu. Use this menu to clear passwords. The BIOS recovers data in the event of a failed BIOS update. Clearing BIOS Security 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 29. 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 22). 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. 51

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Installing and Replacing Desktop Board Components
51
Table 13. 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 BIOS Security 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 29.
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 22).
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.