According to the
spec sheet, it looks like the minimum vertical refresh is 56Hz - just slightly out of range. I have a Samsung monitor here that behaves similarly badly - scandoubled PAL screens show up, but the bottom is cut off with no way to properly center the image.
It should be easy to put the Picasso to >60Hz, though. Just use CGXMode or P96Mode to make sure its screenmodes are set correctly.
