H3C SecCenter CSAP-SA, Installation Manual, Page: 45 / 71

12
Replacing a DIMM
WARNING!
To avoid bodily injury from hot surfaces, allow the server and its internal modules to cool before
touching them.
Guidelines
Make sure all the DIMMs installed on a server are the same model.
Procedure
1. Power off the server. For more information, see " Powering off the server ."
2. Remove the server from the rack. For more information, see " Removing the server from a rack ."
3. Remove the access panel. For more information, see " Removing the access panel ."
4. Remove the chassis air baffle. For more information, see " Removing the chassis air baffle ."
5. Remove a DIMM. Open the DIMM slot latches and pull the DIMM out of the slot.
Figure 43 Removing a DIMM
6. Install a new DIMM. For more information, see " Installing DIMMs ."
7. Install the chassis air baffle. For more information, see " Installing the chassis air baffle ."
8. Install the access panel. For more information, see " Installing the access panel ."
9. Rack-mount the server. For more information, see " Rack-mounting the server ."
10. Connect the power cord. For more information, see " Connecting the power cord ."
11. Power on the server. For more information, see " Powering on the server ."
During server startup, you can access the BIOS to configure the DIMM memory mode. For
more information, see " Appendix C Common software operations."
Verifying the replacement
Use one of the following methods to verify that the memory size is correct:
•
Access the GUI or CLI of the server:

In the GUI of a windows OS, click the Start icon in the bottom left corner, enter msinfo32 in
the search box, and then click the msinfo32 item.

In the CLI of a Linux OS, execute the
cat /proc/meminfo
command.
•
Log in to HDM.