Intel D915PSY Product Specification - Page 77

Jumper Block

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Technical Reference 2.9 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 on the D915PGN board. (The jumper is in the same location on the D915PSY board.) The jumper block determines the BIOS Setup program's mode. Table 37 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 J8J4 Figure 23. Location of the Jumper Block OM17061 Table 37. BIOS Setup Configuration Jumper Settings Function/Mode Normal Jumper Setting 1-2 1 3 Configuration The BIOS uses current configuration information and passwords for booting. Configure 2-3 1 After the POST runs, Setup runs automatically. The 3 maintenance menu is displayed. Recovery None 1 The BIOS attempts to recover the BIOS configuration. A 3 recovery diskette is required. 77

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Technical Reference
2.9 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 on the D915PGN board.
(The jumper is in the
same location on the D915PSY board.)
The jumper block determines the BIOS Setup program’s
mode.
Table 37 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.
OM17061
3
1
J8J4
Figure 23.
Location of the Jumper Block
Table 37.
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.
77