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SPARC Enterprise T5140 and T5240 Servers Service Manual • July 2009
FB-DIMM Configuration Guidelines for SPARC
Enterprise T5240 Servers
When planning FB-DIMM upgrades to SPARC Enterprise T5240 servers, observe the
following memory configuration guidelines:
■
The motherboard has 16 slots that support industry-standard FB-DIMMs.
■
Use only 1.5-volt FB-DIMMs in SPARC Enterprise T5140 and T5240 servers.
■
SPARC Enterprise T5240 servers support three FB-DIMM configurations:
■
8 FB-DIMMs (Group 1 in
FIGURE: FB-DIMM Configuration on Motherboard
(SPARC Enterprise T5240 Servers) on page 99
■
12 FB-DIMMs (Groups 1 and 2 in
FIGURE: FB-DIMM Configuration on
Motherboard (SPARC Enterprise T5240 Servers) on page 99
■
16 FB-DIMMs (Groups 1, 2, and 3 in
FIGURE: FB-DIMM Configuration on
Motherboard (SPARC Enterprise T5240 Servers) on page 99
■
SPARC Enterprise T5240 servers can be equipped with a memory mezzanine
assembly, which provides an additional 16 FB-DIMM slots.
■
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.
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