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The following illustration shows the status of the jumpers and switches on the system board of your server.
You can congure, recover, enable, or disable some specic features of the system board by setting the
jumpers and switches.
Figure 32. System board jumpers and switches
1 Clear CMOS (Complementary Metal Oxide Semiconductor) jumper
2 TMM Enable/Disable jumper (also known as BMC Enable/Disable jumper)
3 System board switches
Attention: To set the jumpers or switches, you need to remove the server cover and gain access to the
system board. Do not open your server or attempt any repair before reading and understanding “Safety
information” on page iii and “Guidelines” on page 69.
1 Clear CMOS jumper
Used to clear CMOS and turn the BIOS settings into the factory default settings.
Note: Clearing CMOS does not erase your BIOS passwords.
To clear CMOS, do the following:
46 ThinkServer User Guide