Found a bug with new beta bios for Z590 motherboards. F6B, Z590 AORUS PRO Ax, using 10th gen CPUs. Graphics cards working at x8 speed (Gen 3) instead of x16 (Gen 3). Manually changing Gen from Auto to Gen 3, does not solve the issue. RTX 3070 Mobo.
https://imgur.com/a/f8rII3z
https://imgur.com/a/f8rII3z
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