Table 26. Diagnostic power LED codes (continued)
State
State Name
Blinking Amber
Pattern
Problem Description
Suggested
Resolution
S9
MBF
3 blinks > short pause >
6 blinks > long pause >
repeats
System board failure
Fatal system board
failure detected.
If customer can assist
to troubleshoot, narrow
down the issue by
removing one by
one the component
on motherboard to
determine which one
failed.
If identified any of
the component failed,
replace the component.
If none of
the component
failed, replace the
motherboard.
S10
MEM
3 blinks > short pause >
7 blinks > long pause >
repeats
Possible memory failure Memory subsystem
configuration activity is
in progress. Memory
modules have been
detected but appear to
be incompatible or in an
invalid configuration.
If customer can assist
to troubleshoot, narrow
down the issue by
removing one by
one the memory
on motherboard to
determine which one
failed.
If identified the memory
failed, replace the
memory.
If else, replace the
motherboard.
WARNING:
The power LED only serve as an indicator of the progress through the POST process. These LEDs do
not indicate the problem that caused the POST routine to stop
Power LED issue
Power LED is not flashing amber on ChengMing 3977 and Optiplex D8 and OptiPlex D8 AIO platforms.
ChengMing 3977 and OptiPlex D8 and D8 AIO platforms without processor installed or when processor power cable is not
connected; it may not have the power LED flashing amber as the diagnostic indicator. The BIOS behavior specification defines
that:
1. If no processor is installed in the system, the power LED should flash amber in pattern of 2-3
2. If no processor cable is connected in the system, the power LED should flash amber in pattern of 2-2
Do not replace any hardware, it works as per the design. With the Boot guard (BtG) feature of Intel ME11.6, when processor
power or processor is missing, then the system will shut down.
Affected Platforms:
Troubleshooting your computer
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