Lenovo THINKSERVER TD230 - Manual (Page 27)

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.
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
Figure 9. Jumper blocks on the system board
Table 7. Jumper block settings
Jumper
block Pin position Description
Pins 1-2 These pins should have a jumper in place for normal system operation (default). 1 J8B5:
ME Force
Update
Pins 2-3 ME force update model.
Pins 1-2 BMC Firmware Force Update Mode – Disabled (default) 2 J8C1:
BMC force
update
Pins 2-3 BMC Firmware Force Update Mode – Enabled
Pins 1-2 These pins should have a jumper in place for normal system operation (default). 3 J1A1:
BIOS
recovery
Pins 2-3 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.
Chapter 4 . Locating parts, controls, LEDs, and connectors 17