: Ensure your case has the correct standoffs for a micro-ATX board. Seating the CPU
Plug the heatsink fan cable into the 4-pin header labeled on the motherboard. Step 3: Install the DDR3 RAM Modules
If you have two sticks, install them in slots DIMMA2 and DIMMB2 first. Single Stick: Always use DIMMA2 for the first module. 3. Power Connections