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.
Memory errors
806f0813-2581xxxx An Uncorrectable Bus
Error has occurred on
system %1.
(%1 =
CIM_ComputerSystem.
ElementName)
Error A bus
uncorrectable error
has occurred.
(Sensor = DIMMs)
1. Check the system-event log.
2. Check the DIMM error LEDs.
3. Remove the failing DIMM from the
system board (see “Removing a
memory module (DIMM)” on page
250).
4. Check for a server firmware update.
Important: Some cluster solutions
require specific code levels or
coordinated code updates. If the
device is part of a cluster solution,
verify that the latest level of code is
supported for the cluster solution
before you update the code.
5. Make sure that the installed DIMMs
are supported and configured
correctly (see “DIMM installation
sequence” on page 253 for more
information).
6. (Trained technician only) Replace
the system board (see “Removing
the system board” on page 290 and
“Installing the system board” on
page 292).
66 IBM System x3650 M4 Type 7915: Problem Determination and Service Guide
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