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Position
Default
S10
—
S11
—
S12
—
1
To access the redundant ROM, set S1, S5, and S6 to On.
2
When the system maintenance switch position 6 is set to the On position, the system is prepared to restore all configuration settings to
their manufacturing defaults.
3
When the system maintenance switch position 6 is set to the On position and Secure Boot is enabled, some configurations cannot be
restored. For more information, see Secure Boot on page 156.
NMI functionality
An NMI crash dump enables administrators to create crash dump files when a system is hung and not responding to
traditional debugging methods.
An analysis of the crash dump log is an essential part of diagnosing reliability problems, such as hanging operating
systems, device drivers, and applications. Many crashes freeze a system, and the only available action for administrators is
to cycle the system power. Resetting the system erases any information that could support problem analysis, but the NMI
feature preserves that information by performing a memory dump before a hard reset.
To force the OS to invoke the NMI handler and generate a crash dump log, the administrator can use the iLO Virtual NMI
feature.
DIMM slot locations
DIMM slots are numbered sequentially (1 through 12) for each processor.
DIMM label identification
To determine DIMM characteristics, see the label attached to the DIMM. The information in this section helps you to use
the label to locate specific information about the DIMM.
18
Component identification
Function
Reserved
Reserved
Reserved
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