Quote Originally Posted by samsc
the problem is potentially related to issues that 1024x768 and 800x600 do not run at the exact same frequency - you would think they both run at 60.00HZ - . No they dont. at 1024x768 the display runs at 60.02Hz, and at 800x600 the display runs at something like 59.97Hz.
Very confusing, but this can and doees affect the performance of catalyst, which gets very confused by the slightly different refresh rates.
and there is an additional bug that is still not fixed by apple which does not report the correct frequency with these screens. when they run at different sizes