Lenovo Flex System x440 Compute Node Installation And Service Manual page 71

Microprocessor 3
error
Storage
backplane 1
error
31
DIMM
error
42
Storage
backplane 2
error
Battery
error
Microprocessor 4
error
Light path diagnostics LEDs
Use this information to diagnose possible errors that are indicated by the light path diagnostics LEDs.
The following table describes the LEDs on the light path diagnostics panel and the light path diagnostics
LEDs on the system board. LEDs on the light path card are visible from the top of the compute node. See
"Viewing the light path diagnostics LEDs" on page 59
Lit light path diagnostics LED
Light path diagnostics
Memory
Mismatch
NMI
Spare
System board
Temperature
25 1
DIMM
DIMM
error
error
30
6
19
43
DIMM DIMM
error error
24
48
for information about lighting the LEDs.
Description
This LED lights when the light path LED card is installed
The IMM2 lights this LED, the corresponding DIMM error LEDs on the system
board and the fault LED when a memory fault has occurred.
The IMM2 lights this LED and the fault LED when a mismatch has occurred
between the processors, DIMMs, or hard disk drives within the configuration as
reported by POST.
The IMM2 lights this LED and the fault LED when an nonmaskable interrupt (NMI)
occurs.
Reserved for future use
The IMM2 lights this LED and the fault LED when a system board error has been
detected.
The IMM lights this LED and the fault LED when an over-temperature condition has
occurred that was critical enough to shut down the compute node.
Microprocessor 1
error
Microprocessor 2
error
Chapter 6
7
DIMM
error
18
.
Troubleshooting
61