v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 4, “Parts listing, System x3100 M4 Type 2582,” on page 151 to determine which components
are customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service 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.
Error code Description Action
0018007 Microprocessors with mismatched power
segments.
1. Make sure that the microprocessor is on the
ServerProven website at http://www.ibm.com/
servers/eserver/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
267).
3. (Trained service 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 254).
0018008 Microprocessors with mismatched internal
DDR3 frequency.
1. Make sure that the microprocessor is on the
ServerProven website at http://www.ibm.com/
servers/eserver/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
267).
3. (Trained service 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 254).
0018009 Microprocessors with mismatched core
speed.
1. Make sure that the microprocessor is on the
ServerProven website at http://www.ibm.com/
servers/eserver/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
267).
3. (Trained service 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 254).
001800A Microprocessors with mismatched bus speed.
1. Make sure that the microprocessor is on the
ServerProven website at http://www.ibm.com/
servers/eserver/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
267).
3. (Trained service 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 254).
28 IBM System x3100 M4 Type 2582: Problem Determination and Service Guide