Installing memory module in DIMM slot on modern PC computer

DIMM number and slot installation order dim slot I shutdown the server and swapped the DIMMs between slots C1 and D1, to attempt to determine if the issue is bad DIMM or a bad slot Or maybe dim slot 2 accessory is a PCB with two 32 Gbs slots, and a riser interface that's similar to a DDR3 DIMM (so inserting DDR3 DIMMs this slot won't

dimensi slot ce_noinfo_count : The total count of correctable errors on this memory controller, but with no information as to which DIMM slot is experiencing