Removing The Supercapacitor (Pcie Plug-In Raid Controller Card) - Huawei RH2288H V3 User Manual

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