Error messages
The following sections lists the error codes and messages for POST, IMM2, UEFI,
and DSA that are generated when a problem is detected.
POST error codes
The following table describes the POST error codes and suggested actions to
correct the detected problems. These errors can appear as severe, warning, or
informational.
v Severe = S
v Warning = W
v Informational = I
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.11002 [I.11002] A processor mismatch
has been detected between one
or more processors in the
system.
One or More Mismatched
Processors Detected.
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 155