On my Gigabyte 890GPA-UD3H board I can only run memory in slots 1,3 (maybe 2,4) but can't run on 1,2 or 3,4 or 1,2,3,4. Sometimes it'll post at 1,2 but loop at some writing checksum to bios.. mesage. Or sometimes error starting windows. I've replaced just about every piece of hardware except...