DRAFT - HP Confidential - DRAFT
Component identification 135
IMPORTANT: Before using the S7 switch to change to Legacy BIOS Boot Mode, be sure the HP
Dynamic Smart Array B140i Controller is disabled. Do not use the B140i controller when the
server is in Legacy BIOS Boot Mode.
NMI functionality
An NMI crash dump creates a crash dump log before resetting a system which is not responding.
Crash dump log analysis is an essential part of diagnosing reliability problems, such as failures of operating
systems, device drivers, and applications. Many crashes freeze a system, and the only available action for
administrators is to restart the system. Resetting the system erases any information which could support
problem analysis, but the NMI feature preserves that information by performing a memory dump before a
system reset.
To force the system to invoke the NMI handler and generate a crash dump log, do one of the following:
Use the iLO Virtual NMI feature.
Short the NMI header ("System board components" on page 132).
For more information, see the HP website (http://www.hp.com/support/NMI).
Drive numbering
24-bay LFF hot-plug front drive numbering
48-bay SFF hot-plug front drive numbering
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