HP ROM-Based Setup Utility - Manual (Page 108)

NMI Debug Button
The NMI Debug Button option is a toggle setting that allows you to enable debug functionality
when the system has experienced a software lock-up. The NMI Debug Button generates an NMI
to enable the use of the operating system debugger.
CAUTION: When enabled, pressing the NMI Debug Button on the system board during normal
operation halts the system.
Options include:
•
Enabled (default)
•
Disabled
108 RBSU menu-driven interface, version 3.xx or later (G6, G7, and Gen8 servers)