System-board jumpers
This section describes the jumpers on the system board.
Table 3. System board jumpers
Jumper number
Jumper name
Jumper setting
JP2
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 such as
power-on password and
loads the default UEFI
settings.
JP3
UEFI boot recovery jumper
v
Pins 1 and 2: Normal
(default) Loads the primary
firmware ROM page.
v
Pins 2 and 3: Loads the
secondary (backup)
firmware ROM page.
Notes:
v
If no jumper is present, the server responds as if the pins are set to 1 and 2.
v
Changing the position of the UEFI recovery jumper from pins 1 and 2 to pins 2 and 3
before the server is turned on sets the UEFI recovery process. Do not change the jumper
pin position after the server is turned on. This can cause an unpredictable problem.
18
IBM System x3630 M3 Type 7377: Problem Determination and Service Guide
Содержание x3630 M3 7377
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