CONFIGURATION GUIDE – Express5800/R120d-1M
NEC Corporation Revision 1.0, March 2012
Memory Configuration Feature Comparison
See the table below for feature comparisons of memory configurations supported.
Multiple single bit
error protection
Multiple single bit
and multi bit error
protection
2/3 physical memory
(2, 4GB DIMM)
5/6 physical memory
(8, 16GB DIMM)
Available Memory
Channels
All DIMMs in the
system must be
identical.
Paired DIMMs must
be identical.
Paired DIMMs must
be identical.
Maximum Memory Speed
See the table below for the actual maximum memory transfer speed in Independent Channel / Memory
Sparing Configuration.
DDR3 memory speed depends on the type of DIMMs, the native memory bus speed of the memory
controller and memory configuration. All memory buses operate at the clock frequency of the DIMM with
the lowest frequency.
The maximum memory transfer rate is 1066 MHz with Memory Sparing Configuration.
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