Your system supports DDR4 registered DIMMs
(RDIMMs and LRDIMMs), and DDR4 voltage specifications.
NOTE: MT/s indicates DIMM
speed in MegaTransfers per second.
Memory bus
operating frequency can be 2400 MT/s, 2133 MT/s, or 1866 MT/s depending
on:
System profile selected (for example, Performance
Optimized, Custom, or Dense Configuration Optimized)
Maximum supported DIMM frequency of the processors
The system contains eight memory sockets split
into two sets of four sockets, one set per processor. DIMMs in sockets
A1 to A4 are assigned to processor 1 and DIMMs in sockets B1 to B4
are assigned to processor 2. The system supports one DIMM per channel.
In each four socket set, the release levers of the first-to-populate
socket are marked white and those of the second socket are marked
black. The DIMM sockets A3, A4, B3, and B4 need to have the memory
module inserted 180° reverse with regard to the DIMMS in the A1, A2,
and B1, B2 sockets.
The
following table shows the memory populations and operating frequencies
for the supported configurations.
Table 1. Memory population—operating
frequency for supported configuration1 RDIMM populated per channel with 1.2v voltage
operated in 2400, 2133, 1866, frequency (in MT/s). Maximum is dual
rank DIMM per channel.
DIMM Type
DIMMs populated per channel
Volatge
Operating
Frequency (in MT/s)
Maximum DIMM Rank Per Channel
RDIMM
1
1.2 v
2400, 2133,
1866
2400, 2133, 1866
Single rank
Dual rank
LRDIMM
1
1.2v
2400, 2133, 1866
Quad rank
Memory channels are organized as follows:
Processor 1
channel 0: slot A2
channel 1: slot A1
channel 2: slot A3
channel 3: slot A4
Processor 2
channel 0: slot B2
channel 1: slot B1
channel 2: slot B3
channel 3: slot B4
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