Hardware reference guide

DSN-1100 Hardware Reference Guide 25
Appendix A Replacing and Upgrading FRUs
This appendix describes how to replace or upgrade the Field Replaceable Units (FRUs) in your
DSN-1100 storage system. FRUs that can be replaced or upgraded include:
Battery Pack
System and buffer memory
SATA drives
Fans
Power supply
A.1 Removing the Cover
To remove the cover, use the following procedure.
1. Power down the DSN-1100 storage system and remove the power cord from the back
panel.
2. Attach an ESD-preventive wrist strap.
3. Remove the six screws as shown in Figure A-1.
4. Slide the cover towards the rear and remove as shown in Figure A-2.
5. To replace the cover, reverse these steps.