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.1800E [I.1800E] A processor
model mismatch has
been detected for one
or more processor
packages.
Processors have
mismatched Model
Number.
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).
I.1800F [I.1800F] A processor
family mismatch has
been detected for one
or more processor
packages.
Processors have
mismatched Family.
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).
I.18010 [I.18010] A processor
stepping mismatch has
been detected for one
or more processor
packages.
Processors of the
same model have
mismatched Stepping
ID.
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).
Chapter 3. Diagnostics 33
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