I have an Asus Crosshair X670E Hero motherboard and recently purchased an Asus TUF 4090 OG OC card. The card and board seem to work perfectly once in Windows, however during bootup, I cannot access the BIOS. The screen is blank/black screen when star...

I see Asus launched a new bios with AGESA 0070 and it is available on the Crosshair VI Hero boards but so far not the Crosshair VI Extreme flagship. I get the flagship board has more features and maybe slightly more testing but this is almost exactly...

Update #2: So I flashed the Bios back to 3502 and have the timings currently at 16-16-16-36 at DDR4-3200 with 1.35V and have to say the PC is now fully stable with no error codes, even when coming out of sleep. I want to say it may be a bug or memory...