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 a firmware
update and update the server firmware to the
latest level (see “Updating the firmware” on
page 297).
3. (Trained technician only) Remove and
replace the affected microprocessor (error
LED is lit) with a supported type (see
“Installing a microprocessor and heat sink” on
page 282).
W.11004 [W.11004] A processor
within the system has
failed the BIST.
Processor Self Test
Failure Detected.
1. Check the IBM support website for an
applicable retain tip or firmware update that
applies to this error.
2. (Trained technician only) If there are more
than one microprocessor installed, swap the
microprocessors. If the problem follows the
affected microprocessor or there is only one
microprocessor installed, replace the affected
microprocessor (see “Removing a
microprocessor and heat sink” on page 279
and “Installing a microprocessor and heat
sink” on page 282).
3. (Trained technician only) Replace the system
board (see “Removing the system board” on
page 290 and “Installing the system board”
on page 292).
S.1100C [S.1100C] An
uncorrectable error has
been detected on
processor %.
Uncorrectable
microprocessor error
detected.
1. Check the IBM support website for an
applicable retain tip or firmware update that
applies to this error.
2. Restart the server.
3. Contact your IBM service representative for
support.
(% = microprocessor number)
Chapter 3. Diagnostics 29
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