do you know what the chip number thats repsonsible for it being able to hit those pixel clock numbers is?

also is the IO crest adapter one of these or a different model? these https://www.amazon.com/IO-Crest-Adapter-Support-SY-ADA31044/dp/B00R4N1REO/ref=sr_1_3?crid=6CPQ7TBWAZ3F&keywords=io+crest+hdmi+to+vga&qid=1655372515&s=electronics&sprefix=io+crest+hdmi+to+vga%2Celectronics%2C108&sr=1-3 are still avilable I just ordered one to test.