Intel D975XBX - Manual (Page 49)

Installing and Replacing Desktop Board Components
49
Setting the BIOS Configuration Jumper
CAUTION
Always turn off the power and unplug the power cord from the computer before changing the
jumper. Moving the jumper with the power on may result in unreliable computer operation.
The location of the desktop board’s BIOS configuration jumper block is shown in Figure 29.
OM18199
1 2 3
Figure 29. Location of the BIOS Configuration Jumper Block
The three-pin BIOS configuration jumper block enables all board configurations to be done in the
BIOS Setup program. Table 9 shows the jumper settings for the Setup program modes.
Table 9. Jumper Settings for the BIOS Setup Program Modes
Jumper Setting Mode Description
3
1
Normal (default) (1-2) The BIOS uses the current configuration and passwords for
booting.
3
1
Configure (2-3) After the Power-On Self-Test (POST) runs, the BIOS
displays the Maintenance Menu. Use this menu to clear
passwords.
3
1
Recovery (None) The BIOS recovers data from a recovery diskette in the
event of a failed BIOS update.