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 3, “Parts listing, Type 8406,” on page 229 to determine which components are CRUs and which
components are FRUs.
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Isolation
Procedure Code
Symptom Action
FSPSP51 Runtime diagnostics
has detected a
memory bus
correctable error that
is exceeding
threshold. The
memory bus
correctable error does
not threaten the
system operation at
the moment.
However, the system
is operating under
degraded mode.
Replace the CRU called out after this FSPSP call. If the CRU that is
called out is a DIMM CRU, perform the following procedure:
1. Replace both memory DIMMs of the pair on the microprocessor that
contains the failing CRU:
DIMM 1 (Px-C1)
For P1-C1, replace DIMMs 1 and 3; for P2-C1, replace
DIMMs 9 and 11.
DIMM 2 (Px-C2)
Replace DIMMs 2 and 4, or DIMMs 10 and 12.
DIMM 3 (Px-C3)
Replace DIMMs 1 and 3, or DIMMs 9 and 11.
DIMM 4 (Px-C4)
Replace DIMMs 2 and 4, or DIMMs 10 and 12.
DIMM 5 (Px-C5)
Replace DIMMs 5 and 7, or DIMMs 13 and 15.
DIMM 6 (Px-C6)
Replace DIMMs 6 and 8, or DIMMs 14 and 16.
DIMM 7 (Px-C7)
Replace DIMMs 5 and 7, or DIMMs 13 and 15.
DIMM 8 (Px-C8)
Replace DIMMs 6 and 8, or DIMMs 14 and 16.
2. See “Removing a memory module” on page 244 for location
information and the removal procedure.
3. Install new memory DIMMs, as described in “Installing a memory
module” on page 245.
See “Supported DIMMs” on page 4 for more information.
FSPSP53 A network error has
occurred between the
service processor and
the network switch
on the blade server.
Replace the system board and chassis assembly, as described in
“Replacing the FRU system-board and chassis assembly” on page 260.
210 Power Systems: Problem Determination and Service Guide for the IBM Power PS700 (8406-70Y)
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