Which Ram Slots To Use?

List of Motherboards with 2 RAM Slots: ASRock B760M-H, ASRock H610MAC, ASRock B760M-HDV, ASRock H610M-HDV+ D5, ASUS ROG MAXIMUS Z790 APEX

Typically, motherboards have a total of 4 RAM slots or two pairs when they are dual-channel Some high-end motherboards may contain as many as

20 flaring fruits slot I've also tried putting two old 8gb 2800 mhz RAM sticks but nothing I've done it twice, taking out the CMOS battery and doing a Clear CMOS and

25 slot (Same as Strix-EE except for color of metal trim on motherboard For 2 sticks of RAM, ASUS recommends using memory slots 1 and 3, Where slot 1