IBM System x3650 M2 Installation And User Manual page 46

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System x3650 M2 Type 7947: Installation and User's Guide
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Table 5. System board jumpers (continued)
Jumper Jumper
number name
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.
The following illustration shows the jumper settings for switch blocks SW3 and SW4
on the Pass 9 level system board.
Table 6 on page 31 and Table 7 on page 31 describe the function of each switch on
SW3 and SW4 switch blocks on the Pass 9 level system board.
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Jumper setting