On Fri, 2008-03-07 at 10:05 +0000, Tim Green wrote:
I thought modern X could read the monitor's EDID which should have at least one detailed video timing for the preferred mode. This is particularly important for LCD screens which expect lower pixel clocks than the traditional CRT timings for the same modes.
Yes that is the default and expected behaviour. But given that something is sending his monitor out of range I would say either the card is spewing rubbish at alternate resolutions or this mechanism has failed
I think it actually relies on a lookup table somewhere which could of course be wrong :)