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ECC
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SEC/DED
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SDDC
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Patrol scrubbing
5.8.6 DIMM Installation Rules
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General DIMM Installation Rules
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Install DIMMs only when the corresponding CPU is installed.
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Do not install LRDIMMs and RDIMMs on the same server.
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5.8.2 Memory Subsystem Architecture
provides the DIMM installation sequence.
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When installing DIMMs in a memory channel, install DIMMs with more ranks and
then DIMMs with fewer ranks (starting from the slot farthest from the CPU in the
channel). For example, install quad-rank DIMMs, then dual-rank DIMMs, and then
sing-rank DIMMs.
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Install DIMM fillers in vacant DIMM slots.
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DIMM Installation Rules for Specific Modes
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Installation Rules for the Memory Sparing Mode
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Follow the general DIMM installation rules.
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The spare configuration of each channel must be valid.
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Different channels can have different spare configurations.
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Each channel with DIMMs installed must have a spare rank.
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Installation Rules for the Memory Mirroring Mode
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Follow the general DIMM installation rules.
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Install DIMMs in either channels 1 and 2, or channels 3 and 4. The installed
DIMMs must be of the same size and organization.
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For a multi-CPU configuration, each CPU must have a valid memory
mirroring configuration.
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Installation Rules for the Memory Patrol Mode
See the general DIMM installation rule.
5.8.7 Installing a DIMM
Step 1
Wear an ESD wrist strap. For details, see
12 Preventing Electrostatic Discharge
.
Step 2
Power off the server. For details, see
Step 3
Remove the power cables. For details, see
3.4 Removing Cables from a PSU
.
Step 4
Remove the server. For details, see
3.3 Removing the Server and Guide Rails
.
Step 5
Remove the chassis cover. For details, see
3.6 Removing the Chassis Cover
.
Step 6
Remove the air duct. For details, see
.
Step 7
Take a spare DIMM out of the DIMM box.
Step 8
Open the two fixing clips of the DIMM slot. See
TaiShan 2280 V2 Server
User Guide
5 Optional Part Installation
Issue 01 (2019-07-01)
Copyright © Huawei Technologies Co., Ltd.
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