In my case, even setting any XMP profile in bios results bsod or the system does not boot.
Tried XMP l, XMP ll, XMP tweaked. All BIOS settings are defaults except XMP.
If anyone found what to do to make it work above the 4800 (default in auto mode), plz let me know.
ROG MAXIMUS Z690 EXTREME, Bios 2204
2 x 32 GB, G.Skill F5-6000J3040G32GX2-TZ5K, Trident Z5 DDR5-6000 CL30-40-40-96 1.40V
DDR5 is installed in slots 2 and 4