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a: The drive slots support 2.5-inch SAS/SATA/NVMe drives and M.2 modules and
mixed configuration of them.
l
b: An M.2 module is a 2.5-inch drive module that consists of one M.2 adapter and two
M.2 FRUs.
1.3 Logical Structure
Figure 1-3
CH121 V5 logical structure
l
The server supports one or two Intel
®
Xeon
®
Scalable processors.
l
The server supports up to 24 memory modules.
l
The CPUs (processors) interconnect with each other through two UPI links at a speed of
up to 10.4 GT/s.
l
The mezzanine cards connect to the processors through PCIe buses to provide service
ports.
l
The Platform Controller Hub (PCH) has a built-in MAC chip and provides two 10 Gbit/s
ports.
l
The storage module, consisting of a RAID controller card and a drive backplane,
connects to the CPUs through PCIe buses.
l
The BMC provides device management functions, such as compute node power control,
slot number acquisition, PSU detection, and KVM over IP.
FusionServer Pro CH121 V5 Compute Node
Maintenance and Service Guide
1 Overview
Issue 06 (2019-08-10)
Copyright © Huawei Technologies Co., Ltd.
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