Jumper Block Settings - Lenovo 102912U Installation And User Manual

Jumper block settings

There are several jumper blocks on the system board that can be used to configure, recover, or
enable/disable specific features of the server system board. Figure 9 "Jumper blocks on the system board"
on page 17 shows the status of the jumper blocks on the system board.
Figure 9. Jumper blocks on the system board
Table 7. Jumper block settings
Jumper
block Pin position
1
J8B5: Pins 1-2
ME Force
Pins 2-3
Update
2
J8C1: Pins 1-2
BMC force
Pins 2-3
update
3
J1A1: Pins 1-2
BIOS
Pins 2-3
recovery
1
2
3 3
2
1
1
2
3
1 1
2 2
3 3
These pins should have a jumper in place for normal system operation (default).
ME force update model.
BMC Firmware Force Update Mode – Disabled (default)
BMC Firmware Force Update Mode – Enabled
These pins should have a jumper in place for normal system operation (default).
The main system BIOS will not boot with these pins jumpered. The system will boot
from a bootable recovery media with a recovery BIOS image.
Description
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Chapter 4 Locating parts, controls, LEDs, and connectors
17