General Memory Module Installation Guidelines - Dell EMC PowerEdge R540 Installation And Service Manual

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Figure 55. Memory socket locations
Memory channels are organized as follows:
Table 43. Memory channels
Processor
Channel 0
Processor 1
Slots A1 and A7
Processor 2
Slots B1

General memory module installation guidelines

To ensure optimal performance of your system, observe the following general guidelines when configuring your system memory. If your
system's memory configurations fail to observe these guidelines, your system might not boot, stop responding during memory
configuration, or operate with reduced memory.
The memory bus may operate at frequency can be 2666 MT/s, 2400 MT/s, or 2133 MT/s depending on the following factors:
System profile selected (for example, Performance Optimized, or Custom [can be run at high speed or lower])
Maximum supported DIMM speed of the processors
Maximum supported speed of the DIMMs
Channel 1
Channel 2
Slots A2 and A8 Slots A3
Slots B2
Slots B3
Channel 3
Channel 4
Slots A4 and A9
Slots A5 and A10
Slots B4
Slots B5
Installing and removing system components
Channel 5
Slots A6
Slots B6
101

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