35 UTC-510/515/520/532/542 User ManualChapter 3 Upgrades and Installation3.3 Installing a CFAST Card (A/B Models Only)The image below illustrates the process for installing a CFAST card. (Note the direc-tion of the CFAST card during assembly).3.4 Installing a Memory Module1. Loosen the affixing screws and remove the rear cover.2. Remove the 4 screws from the DRAM memory module heatsink.3. Turn the memory module over and remove the 2 screws on the underside.4. Install the DRAM module into the SODIMM socket.