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Servicing Motherboard Components 95
■ SPARC Enterprise T5140 servers support these FB-DIMM configurations:
■ 8 FB-DIMMs (Group 1 in FIGURE: FB-DIMM Configuration for SPARC
Enterprise T5140 Servers on page 95)
■ 12 FB-DIMMs (Groups 1 and 2 in FIGURE: FB-DIMM Configuration for SPARC
Enterprise T5140 Servers on page 95)
■ 16 FB-DIMMs (Groups 1, 2, and 3 in FIGURE: FB-DIMM Configuration for
SPARC Enterprise T5140 Servers on page 95)
■ All FB-DIMMs within a single CMP branch must have the same capacity.
■ If the System Firmware is at least version 7.1.7.f, the FB-DIMM capacities on
different CPUs can be different.
■ When replacing a faulty FB-DIMM, the replacement FB-DIMM must have the same
FRU part number as the FB-DIMM being replaced.
If you are not able to obtain a replacement FB-DIMM with the same FRU part
number, may need to replace all the FB-DIMMs in the branch to ensure that all
FB-DIMMs in that branch have the same FRU part number.
FIGURE: FB-DIMM Configuration for SPARC Enterprise T5140 Servers
The following figure shows the physical location for the FB-DIMMs on the
motherboard in a SPARC Enterprise T5140 server.