Observations:
1920x1080 Fast flickering 1600x1200 Fast flickering 1680x1050 Fast flickering 1280x1024 OK, but jumpy 1440x900 OK, but jumpy 1280x960 OK, but jumpy 1280x800 OK, but jumpy 1024x768 OK, but jumpy 800x600 OK 640x480 OK
Observations:
1920x1080 Fast flickering
1600x1200 Fast flickering
1680x1050 Fast flickering
1280x1024 OK, but jumpy
1440x900 OK, but jumpy
1280x960 OK, but jumpy
1280x800 OK, but jumpy
1024x768 OK, but jumpy
800x600 OK
640x480 OK