NOTE
l CPU 1 must be configured with DIMMs. If DIMMs are configured only for CPU 2, the
compute node cannot be powered on.
l Number of DIMMs per channel ≤ Number of ranks per channel/Number of ranks per DIMM
l DIMMs of different types (RDIMMs and LRDIMMs) cannot be installed on one G530
V2. Mixed use of RDIMMs or LRDIMMs of different models is supported during
capacity expansion but may affect the DIMM RAS feature.
l All DIMMs in a server operate at the same speed, which is the lower of following:
– Memory speed supported by a specific processor.
– The lowest of the maximum operating speeds for selected memory configurations.
See Maximum operating speed in Table 6-3.
Table 6-3 DIMM configuration rules for Intel® Xeon® Scalable processors
Item
Value
Rank Dual-rank Quad-rank Octo-rank
Rated speed (MHz) 2666 2666 2400
Rated voltage (V) 1.2 1.2 1.2
Operating voltage (V) 1.2 1.2 1.2
Maximum number of DIMMs 24 24 24
Maximum capacity per DIMM
(GB)
32 64 128
Maximum total memory capacity
a
(GB)
768 1536 1536
Maximum total memory capacity
at the maximum operating speed
(GB)
768 1536 1536
Maximum
operating speed
(MHz)
One DIMM per
channel
2666 2666 2400
Two DIMMs
per channel
2666 2666 2400
a: The server cannot be fully configured with 128 GB octo-rank DIMMs. The maximum
memory capacity for one CPU is 768 GB.
Note: This table is for reference only. For details about the components that can be
purchased, consult your local Huawei sales representatives.
6.4.3.2 Memory Subsystem Architecture
G530 V2 provides 24 slots for installing DDR3 DIMMs. Each CPU integrates 16 memory
channels: 1A, 1B, 1C, 1D, 1E, and 1F for CPU1, and 2A, 2B, 2C, 2D, 2E, and 2F for CPU 2.
See Table 6-4.
FusionServer G5500 Server
User Guide
6 Optional Part Installation
Issue 02 (2017-12-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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