That are the resolutions and frequencies I do remember having tested without trouble. Indeed I could go even faster on the lower ones, but didn't dare to for long, because they sometimes produced very weird high-frequent noises, sometimes unsharpness, and I didn't want to break that wonderful piece of kit.
Did care about 1600x1200 at then 75Hz mostly. All that other stuff was just for demonstration purposes for other people coming by, or watching videos fullscreen in PAL.
It seemed to be really made for that resolution at a reasonable frequency, with the BIOS & VGA thing just implemented to be able to see start up, changing settings, and all the rest just a 'side-effect'.
Did care about 1600x1200 at then 75Hz mostly. All that other stuff was just for demonstration purposes for other people coming by, or watching videos fullscreen in PAL.
It seemed to be really made for that resolution at a reasonable frequency, with the BIOS & VGA thing just implemented to be able to see start up, changing settings, and all the rest just a 'side-effect'.