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7.34 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 RH2288 V3. For details, see
Step 4
Remove all external cables such as power and network cables.
Step 5
Remove the RH2288 V3 and put it on an ESD desktop. For details, see
.
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
.
Step 8
Locate the supercapacitor, which is in one of the four positions shown in
Figure 7-64
Supercapacitor positions
RH2288 V3 Server
User Guide
7 Replacing Parts
Issue 32 (2019-03-28)
Copyright © Huawei Technologies Co., Ltd.
187