l A 2-slot PCIe riser module supports a maximum of two single-slot PCIe x16 GPUs
(bandwidth of one GPU: x8) or one dual-slot PCIe x16 GPU.
l A 3-slot riser module does not support any GPU.
ESNs
An Equipment Serial Number (ESN) is a string that uniquely identifies a server. An ESN is
required when you apply for technical support to Huawei.
Figure 2-10 shows the ESN format by using the example 2102310QPD10F3001263.
Figure 2-10 ESN example
No.
Description
1 Indicates the ESN ID (two digits).
2 Indicates the material identification code (8
characters).
3 Indicates the vendor code (two characters).
4 Indicates the year and month (two
characters).
5 Indicates the serial number (six digits).
2.3 Ports
Table 2-3 and Table 2-4 describe the external ports on the 5288 V3.
5288 V3 Server
User Guide
2 Product Overview
Issue 26 (2018-11-19) Copyright © Huawei Technologies Co., Ltd. 14