which ram slot to use
How to Check RAM Slots in Linux - Appuals
By far the easiest way to check the number of RAM slots currently in use in your machine without opening it up is to use the DMI Table Decoder command called dmidecode, which gives you a flat report.
How can I detect the amount of memory slots I have?
So which RAM slots should you use, and why does it make any difference where the memory modules go? ... Does It Matter Which RAM Slots You Use?
Can You Use 3 Sticks Of Ram: All You Need To Know [2022]
If you have spare laptop RAM sticks, you may get an itch to try them up on a desktop, which begs the question, can you use laptop RAM in desktop?