The x440 light path diagnostics panel is visible when you remove the server from the chassis. The panel is located
at the upper right side of the compute node, as shown in Figure 9.
Figure 9. Location of x440 light path diagnostics panel
To illuminate the light path diagnostics LEDs, power off the compute node, slide it out of the chassis, and press the
power button. The power button doubles as the light path diagnostics remind button when the server is removed
from the chassis. The meanings of the LEDs are listed in the following table.
Table 17. Light path diagnostic panel LEDs
LED
Meaning
LP
The light path diagnostics panel is operational.
S BRD
A system board error is detected.
MIS
A mismatch has occurred between the processors, DIMMs, or HDDs.
NMI
A non-maskable interrupt (NMI) has occurred.
TEMP
An over-temperature condition occurred that was critical enough to shut down the server.
MEM
A memory fault has occurred. The corresponding DIMM error LEDs on the system board are also lit.
ADJ
A fault is detected in the adjacent expansion unit (if installed).
Remote management
Flex System x440 Compute Node (7917)
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