New motherboard RAM slot issues

So, I've got a laptop motherboard that clearly has the pads for a second ram slot 2 slots that are unpopulated on the board (those

In looking at my options, I found that within the Performance tap of Task Manager that it shows my laptop having Slots used: 2 of 4 so I had

rambo 168 slot In a ram slot configuration, 1 being the slot closest to the CPU, and 4 being furthest, typically using 2 sticks of ram it should be placed in

ramses legacy slot 8-core CPU with 4 performance cores and 4 efficiency cores; 10-core GPU XDR brightness: 1,000 nits sustained full-screen, 1,600 nits peak