Memory Subsystem Architecture - Huawei FusionServer Pro 2488H V6 Technical White Paper

Huawei FusionServer Pro 2488H V6 Server
Technical White Paper
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5.4.1.2 Memory Subsystem Architecture

The 2488H V6 provides 48 memory slots. Each processor integrates six memory
channels.
Install the memory modules in the primary memory channels first. If the primary
memory channel is not populated, the memory modules in secondary memory
channels cannot be used.
Table 5-6 Memory channels
CPU
CPU 1
Issue 03 (2021-02-01)
Description
Capacity
Number of ranks
Data width on the DRAM
Type of the memory interface
Maximum memory speed
Column Access Strobe (CAS)
latency
DIMM type
Memory Channel
A (primary)
A
B (primary)
B
C (primary)
C
D (primary)
Copyright © Huawei Technologies Co., Ltd.
5 Hardware Description
Example
● 16 GB
● 32 GB
● 64 GB
● 128 GB
● 1R: single-rank
● 2R: dual-rank
● 4R: quad-rank
● x4: 4-bit
● x8: 8-bit
● PC4: DDR4
● 2933 MT/s
● 3200 MT/s
● W: CAS 20-20-20
● Y: CAS 21-21-21
● AA: CAS 22-22-22
● R = RDIMM
● L = LRDIMM
Memory Slot
DIMM000(A)
DIMM001(G)
DIMM010(B)
DIMM011(H)
DIMM020(C)
DIMM021(I)
DIMM030(D)
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