Dr Andrew C Aitchison wrote: > > >I've been using "DacSpeed 230" on my i815 for a couple of years. > > > > > I gave this a thought and decided that DacSpeed 160, no more is needed > > here, couldn't possibly do any harm. Well, whoever put these > defaults in > > with the driver knew what he was doing: I get such a horrible flicker > > all over the screen when I move or scroll something I couldn't believe > > it. I went so far as to boot up my old Windows because I started > > becoming suspicious about my hardware: same settings, everything's fine. > > > > The default dacspeeds are 163 for 16bpp and 136 for 24bpp! > > Note that the default speeds are the same for all chipsets; > I wouldn't be suprised if different chipsets have different dac speed > limits.
Intel specifies 230MHz for i810, too. > However I suspect that the real issue is the speed of the memory; Right, the memory bandwidth, I meanwhile learned. But 3B x 157.5MHz vs. 800MB/s seems a fair enough distance for a short test with Intel calling these settings "supported". And who would have thought Windows is telling lies about its video settings? ;-) _______________________________________________ Xpert mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xpert
