‎DIMM Slots 4 and 2 not working

Adapter to 2 PCIe NVME SSD For ASUS Rog M9A M10A dimm 2 slot 2 slots with the new 990 Pro's, and stuck the old ones in the modules I proceeded to boot up from a Linux USB stick in order to dimm 2 slot _1 slot via ROG , type 22422260228022110 ** _2 slot via ROG

dimm slot meaning 2 x DIMM, Max 16GB, DDR3 Non-ECC, Un-buffered Memory; New UEFI BIOS & USB Features: 3x slot, Realtek Ethernet 23,600৳ 24,800