Lenovo 3809 Server User Manual


 
System-board switches and jumpers
The following illustration shows the switches and jumpers on the system board.
1 UEFI boot recovery jumper (JP8)
2 Clear CMOS jumper (JP1)
3 SW8 switch block
The following table describes the jumpers on the system board.
Table 2. System-board jumpers
Jumper number Jumper name Jumper setting
JP1 Clear CMOS jumper
v Pins 1 and 2: Normal
(default) - This keeps the
CMOS data.
v Pins 2 and 3: This clears
the CMOS data, which
clears the power-on
password and
administrator password.
Chapter 4. Server controls, LEDs, and power 31