Dimm Installation Rules; Installing A Dimm - Huawei TaiShan 2280 V2 User Manual

TaiShan 2280 V2 Server
User Guide
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5.8.6 DIMM Installation Rules

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5.8.7 Installing a DIMM

Step 1 Wear an ESD wrist strap. For details, see
Step 2 Power off the server. For details, see
Step 3 Remove the power cables. For details, see
Step 4 Remove the server. For details, see
Step 5 Remove the chassis cover. For details, see
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
Issue 01 (2019-07-01)
ECC
SEC/DED
SDDC
Patrol scrubbing
General DIMM Installation Rules
– Install DIMMs only when the corresponding CPU is installed.
– Do not install LRDIMMs and RDIMMs on the same server.
– 5.8.2 Memory Subsystem Architecture
– 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.
– Install DIMM fillers in vacant DIMM slots.
DIMM Installation Rules for Specific Modes
– Installation Rules for the Memory Sparing Mode
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
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
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DIMMs must be of the same size and organization.
For a multi-CPU configuration, each CPU must have a valid memory
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mirroring configuration.
– Installation Rules for the Memory Patrol Mode
See the general DIMM installation rule.
Copyright © Huawei Technologies Co., Ltd.
provides the DIMM installation sequence.
12 Preventing Electrostatic
3.2 Powering Off the
3.4 Removing Cables from a
3.3 Removing the Server and Guide
3.6 Removing the Chassis
3.10 Removing the Air
Figure 5-18.
5 Optional Part Installation
Discharge.
Server.
PSU.
Rails.
Cover.
Duct.
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