Installing and Replacing Desktop Board Components 
53 
The three-pin BIOS jumper block enables board configuration to be done in the BIOS 
Setup program.  Table 14 shows the jumper settings for the BIOS Setup program
 
modes. 
Table 14. 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 27. 
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 24). 
5.  Place the jumper on pins 2-3 as shown 
below.