Originally Posted by netllama
Where did you obtain the ATSC-1080-60i modeline that you're using?
Have you tried just requesting a 1920x1080 mode instead of using that modeline?
Have you tried tweaking the modeline with xvidtune?
I found the modeline here,
It's supposed to be an ASTC standard.
I tried a "1920x1080" , and it didn't work. Sorry, needed sleep last night. I'll be here till 5:00 EST today.