N2000H V3 Appliance 
User Guide 
 
Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
6.1.3 Routine Maintenance for Anti-virus Software .............................................................................................................131 
7 Replacing Parts .................................................................................................................. 132 
7.1 Replaceable Parts ..............................................................................................................................................................135 
7.2 Removing a Hard Disk .....................................................................................................................................................136 
7.3 Installing a Hard Disk .......................................................................................................................................................138 
7.4 Removing a PSU ...............................................................................................................................................................140 
7.4.1 Removing an AC PSU ...................................................................................................................................................140 
7.4.2 Removing a DC PSU .....................................................................................................................................................142 
7.5 Installing a PSU ................................................................................................................................................................144 
7.5.1 Installing an AC PSU.....................................................................................................................................................144 
7.5.2 Installing a DC PSU ......................................................................................................................................................146 
7.6 Removing the Chassis Cover ...........................................................................................................................................149 
7.7 Installing a Chassis Cover ................................................................................................................................................150 
7.8 Removing the Air Duct .....................................................................................................................................................152 
7.9 Installing an Air Duct .......................................................................................................................................................154 
7.10 Removing a Fan Module ................................................................................................................................................156 
7.11 Installing a Fan Module ..................................................................................................................................................157 
7.12 Removing the Riser Card ...............................................................................................................................................159 
7.13 Installing a Riser Card ....................................................................................................................................................161 
7.14 Removing a PCIe Card ...................................................................................................................................................163 
7.14.1 Removing a PCIe Card from the Riser Card .............................................................................................................163 
7.14.2 Removing a PCIe Card from the Mainboard .............................................................................................................165 
7.15 Installing a PCIe Card ....................................................................................................................................................166 
7.15.1 Installing a PCIe Card on the Riser Card ...................................................................................................................166 
7.15.2 Installing a PCIe Card on the Mainboard...................................................................................................................168 
7.16 Removing a TPM ............................................................................................................................................................169 
7.17 Installing a TPM .............................................................................................................................................................171 
7.18 Removing a USB Flash Drive from the Chassis...........................................................................................................173 
7.19 Installing a USB Flash Drive in the Chassis .................................................................................................................174 
7.20 Removing a System Battery ...........................................................................................................................................176 
7.21 Installing a System Battery ............................................................................................................................................177 
7.22 Removing the RAID Controller Card............................................................................................................................179 
7.23 Installing a RAID Controller Card ................................................................................................................................181 
7.24 Removing a Supercapacitor ...........................................................................................................................................184 
7.25 Installing a Supercapacitor .............................................................................................................................................186 
7.26 Removing a CPU ............................................................................................................................................................188 
7.27 Installing a CPU ..............................................................................................................................................................193 
7.28 Removing a DIMM ........................................................................................................................................................197 
7.29 Installing a DIMM ..........................................................................................................................................................198 
7.30 Removing the Mainboard ...............................................................................................................................................202 
7.31 Installing the Mainboard ................................................................................................................................................206