Huawei RH2288H V3 - Removing the Supercapacitor (Pcie Plug-In RAID Controller Card)

7.36 Removing the Supercapacitor (PCIe Plug-in RAID
Controller Card)
A supercapacitor is
congured to provide power-o protection for an LSI SAS3108
or PM8060 PCIe plug-in RAID controller card.
Remove the supercapacitor if it has failed or cannot provide sucient power.
Before removing a supercapacitor, power o the server and observe electrical
safety precautions.
Procedure
Step 1 Wear an ESD wrist strap. For details, see 1 Safety Instructions.
Step 2 Determine the cabinet number and chassis number of the server, and label its
panel to prevent misoperations.
Step 3 Power
o the RH2288H V3. For details, see 4.2 Powering O the Server.
Step 4 Remove all external cables such as power and network cables.
Step 5 Remove the RH2288H V3 and put it on an ESD desktop. For details, see 3.6
Removing the Server.
Step 6 Remove the chassis cover. For details, see 7.11 Removing the Chassis Cover.
Step 7 Remove the riser card tray above the RAID controller card. For details, see 7.19
Removing the Riser Card.
Step 8 Locate the supercapacitor, which is in one of the four positions shown in Figure
7-69.
Figure 7-69 Supercapacitor positions
RH2288H V3 Server
User Guide 7 Replacing Parts
Issue 46 (2022-12-28) Copyright © Huawei Technologies Co., Ltd. 211