Memtest86 RAM error on dimm slot a1 - ROG Forum

More DIMM slots provide flexibility for future upgrades, allowing you to add more memory without replacing existing modules If your motherboard has fewer slots

DIMM stands for Dual In-line Memory Module and is the RAM module on a mother board A dot in the 2 DIMM column means the memory will work

dimm2 slot A RAM slot, also known as a RAM socket, is a long, slim slot on the motherboard of a PC This allows a RAM module of varying speeds and

dimm 2 slot N=NUMA Node C=Channel D=DIMM Slot Don't know what the '6622206A' means, part number perhaps?