Table 6. IMM2 error messages (continued)
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.
806f010c-2001xxxx
806f010c-2002xxxx
806f010c-2003xxxx
806f010c-2004xxxx
Memory uncorrectable
error detected for
Memory DIMM n
Status.
(n = DIMM number)
Error A memory
uncorrectable error
has occurred.
1. Check the IBM support website for
an applicable retain tip or firmware
update that applies to this memory
error.
2. Swap the affected DIMMs (as
indicated by the error LEDs on the
system board or the event logs) to
a different memory channel or
microprocessor (see“Installing a
memory module” on page 203 for
memory population).
3. If the problem follows the DIMM,
replace the failing DIMM
(see“Removing a memory module”
on page 200 and “Installing a
memory module” on page 203).
4. (Trained technician only) If the
problem occurs on the same
DIMM connector, check the DIMM
connector. If the connector
contains any foreign material or is
damaged, replace the system
board (see “Removing the system
board” on page 258 and “Installing
the system board” on page 261).
5. (Trained technician only) Remove
the affected microprocessor and
check the microprocessor socket
pins for any damaged pins. If a
damage is found, replace the
system board (see “Removing the
system board” on page 258 and
“Installing the system board” on
page 261).
6. (Trained technician only) Replace
the affected microprocessor (see
“Removing the microprocessor and
heat sink” on page 250 and
“Installing a microprocessor and
heat sink” on page 254).
Chapter 3. Diagnostics 47
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