Technical Reference
75
The 3-pin jumper block determines the BIOS Setup program’s mode. Table 49 describes the
jumper settings for the three modes: normal, configure, and recovery. When the jumper is set to
configuration 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.
Table 49. BIOS Setup Configuration Jumper Settings
Function/Mode Jumper Setting Configuration
Normal
1-2
1
3
The BIOS uses current configuration information and
passwords for booting.
Configure
2-3
1
3
After the POST runs, Setup runs automatically. The
Maintenance menu is displayed.
Recovery
None
1
3
The BIOS attempts to recover the BIOS configuration. A
recovery diskette is required.
For information about Refer to
Accessing the BIOS Setup program Section 4.1, page 95
The Maintenance menu in the BIOS Setup program Section 4.2, page 96
BIOS recovery Section 3.7, page 91
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