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2.8 Jumper Block
CAUTION
Do not move the jumper with the power on. Always turn off the power and unplug the power cord
from the computer before changing a jumper setting. Otherwise, the board could be damaged.
Figure 23 shows the location of the jumper block. The 3-pin jumper block determines the BIOS
Setup program's mode. Table 33 describes the jumper settings for the three modes: normal,
configure, and recovery. When the jumper is set to configure mode and the computer is powered-
up, the BIOS compares the processor version and the microcode version in the BIOS and reports if
the two match.
1
3
J3F3
Table 33.
BIOS Setup Configuration Jumper Settings
Function/Mode
Normal
Configure
Recovery
Figure 23. Location of the Jumper Block
Jumper Setting
Configuration
1-2
The BIOS uses current configuration information and
1
passwords for booting.
3
After the POST runs, Setup runs automatically. The
1
2-3
maintenance menu is displayed.
3
The BIOS attempts to recover the BIOS configuration. A
1
None
recovery diskette is required.
3
Technical Reference
OM18047
65
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