Memory Installation Guidelines; Memory Installation Positions - Huawei FusionServer Pro XH321 V5 V100R005 Maintenance And Service Manual

FusionServer Pro XH321 V5 Server Node
Maintenance and Service Guide
Parameter
● a: The maximum number of DDR4 memory modules is based on dual-
● b: The maximum DDR4 memory capacity varies depending on the processor
● c: DPC (DIMM per channel) indicates the number of DIMMs per channel.
● d: If the Cascade Lake processor is used, the maximum operating speed of a

2.3.4 Memory Installation Guidelines

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2.3.5 Memory Installation Positions

An XH321 V5 supports a maximum of 16 DDR4 memory modules. Balanced
memory configuration is recommended for optimal memory performance.
Issue 07 (2019-12-20)
processor configuration. The value is halved for a server with only one
processor.
type. The value listed in this table is based on the assumption that memory
modules are fully configured.
memory module can reach 2933 MT/s. If the Skylake processor is used, the
maximum operating speed of a memory module can reach 2666 MT/s only.
Observe the following when configuring DDR4 memory modules:
– Install memory modules only when corresponding processors are
installed.
– Do not install LRDIMMs and RDIMMs in the same server.
– Install filler memory modules in vacant slots.
Observe the following when configuring DDR4 memory modules in specific
operating mode:
– Memory sparing mode
Comply with the general installation guidelines.
n
Each memory channel must have a valid online spare configuration.
n
The channels can have different online spare configurations.
n
Each populated channel must have a spare rank.
n
– Memory mirroring mode
Comply with the general installation guidelines.
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Install memory modules for channels 1 and 2 or channels 3 and 4.
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The memory modules installed must be identical in size and
organization.
For a multi-processor configuration, each processor must have a
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valid memory mirroring configuration.
– Memory scrubbing mode
Comply with the general installation guidelines.
n
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2 Hardware Description
Specifications
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