v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
v Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Diagnostic
code Message Description Action
I.18006 [I.18006] A mismatch between
the maximum allowed QPI link
speed has been detected for one
or more processor packages.
Processors have mismatched
QPI Speed.
1. Make sure that the microprocessor
is on the ServerProven website at
http://www.ibm.com/systems/
info/x86servers/serverproven/
compat/us/ .
2. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this problem.
3. (Trained technician only) Remove
and replace the affected
microprocessor (error LED is lit)
with a supported type (see
“Replacing a microprocessor and
heat sink” on page 418).
I.18007 [I.18007] A power segment
mismatch has been detected for
one or more processor
packages.
Processors have mismatched
Power Segments.
1. Make sure that the microprocessor
is on the ServerProven website at
http://www.ibm.com/systems/
info/x86servers/serverproven/
compat/us/ .
2. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this problem.
3. (Trained technician only) Remove
and replace the affected
microprocessor (error LED is lit)
with a supported type (see
“Replacing a microprocessor and
heat sink” on page 418).
I.18008 [I.18008] Currently, there is no
additional information for this
event.
Processors have mismatched
Internal DDR3 Frequency.
1. Make sure that the microprocessor
is on the ServerProven website at
http://www.ibm.com/systems/
info/x86servers/serverproven/
compat/us/ .
2. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this problem.
3. (Trained technician only) Remove
and replace the affected
microprocessor (error LED is lit)
with a supported type (see
“Replacing a microprocessor and
heat sink” on page 418).
Chapter 4. Troubleshooting 157