7.37 Installing the Supercapacitor (Screw-in RAID
Controller Card)
A supercapacitor is
congured to provide power-o protection for an LSI SAS2208
or LSI SAS3108 screw-in RAID controller card.
Install a supercapacitor to replace the one that has failed or cannot provide
sucient power.
Before installing 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 Remove the supercapacitor to be replaced. For details, see 7.35 Removing the
Supercapacitor (Screw-in RAID Controller Card).
Step 3 Take the supercapacitor out of its ESD bag.
Step 4 Place the supercapacitor downwards and exert even force to install it in the tray.
Ensure that the supercapacitor is secured by the plastic latches. See step (1) in
Figure 7-72.
Figure 7-72 Installing the supercapacitor
Step 5 Insert the TFM vertically into the RAID controller card. See step (2) in Figure 7-72.
RH2288H V3 Server
User Guide 7 Replacing Parts
Issue 46 (2022-12-28) Copyright © Huawei Technologies Co., Ltd. 214