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Installing and Replacing Desktop Board Components
45
Setting the BIOS Configuration Jumper Block
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 is shown in Figure 17.
OM16340
1
3
J9J4
Figure 17. Location of the BIOS Configuration Jumper Block
The three-pin BIOS jumper block enables all board configurations to be done in BIOS Setup.
Table 8 shows the jumper settings for the Setup program modes.
Table 8. Jumper Settings for the BIOS Setup Program Modes (J9J4)
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.