Lenovo 6528 - Manual (Page 37)

3 Ethernet connector 1 7 SW1 (NMI button)
4 USB connectors 1 and 2
System-board switches and jumpers
The following illustration shows the switches and jumpers on the system board.
Microprocessor
Heatsink Orientation DIMMs DIMMs
The following table describes the jumpers on the system board.
Table 3. System board jumpers
Jumper number Jumper name Jumper setting
JP1 Clear CMOS jumper 1
v Pins 1 and 2: Keep CMOS
data (default).
v Pins 2 and 3: Clear CMOS
data (including power-on
password and
administrator password)
JP6 Boot block jumper 2
v Pins 1 and 2: Boot from
primary BIOS page
(default) .
v Pins 2 and 3: Boot from
backup BIOS page.
Notes:
1. If no jumper is present, the server responds as if the pins are set to 1 and 2.
2. Changing the position of the UEFI boot recovery jumper from pins 1 and 2 to pins 2 and
3 before the server is turned on alters which flash ROM page is loaded. Do not change
the jumper pin position after the server is turned on. This can cause an unpredictable
problem.
Chapter 4. Server controls, LEDs, and power 21