Memory Subsystem Architecture - Huawei FusionServer Pro XH321 V5 V100R005 Maintenance And Service Manual

FusionServer Pro XH321 V5 Server Node
Maintenance and Service Guide
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2.3.2 Memory Subsystem Architecture

The XH321 V5 provides 16 memory slots. Each processor integrates six memory
channels.
Install memory modules in primary memory channels first. If the primary memory
channel is not populated, the memory modules in secondary memory channels
cannot be used.
Table 2-4 Memory channels
CPU
CPU 1
Issue 07 (2019-12-20)
Description
Capacity of the memory
module
Number of ranks of the
memory module
Data width on the DRAM
Type of the memory interface
Maximum memory speed
Column Access Strobe (CAS)
latency
DIMM type
Memory Channel
1A (primary)
1A
1B
Copyright © Huawei Technologies Co., Ltd.
2 Hardware Description
Definition
● 8 GB
● 16 GB
● 32 GB
● 64 GB
● 128 GB
● 1R: single-rank
● 2R: dual-rank
● 4R: quad-rank
● 8R: octal-rank
● X4: 4-bit
● X8: 8-bit
● PC3: DDR3
● PC4: DDR4
● 2133 MT/S
● 2400 MT/S
● 2666 MT/S
● 2933 MT/S
● P: 15
● T: 17
● R: RDIMM
● L: LRDIMM
Memory Slot
DIMM000(A)
DIMM001(G)
DIMM010(B)
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