"Katy Pluta (MS_MVP)" <katypluta@hotmail.invalid> wrote in message
news:ssk3d19anr8jc4ibg0l764b3q67d7pn91u@4ax.com...
> >You are correct, jkb - definitely a driver issue. Did a LOT of research
and
> >browsed around some various fora and found that literally thousands of
> >people have this problem - mainly with nVidia but is also occurs with ATI
> >but not as prevalent.
> >
> >Seems that there is a timing register in the system R055 IIRC, that gets
> >overloaded with the new high speed graphics engines and doesn't refresh
> >properly. When that happens, endless loop and system freeze. Some mobo
mfgrs
> >have made adjustments in the BIOS to compensate but not all.
> >
> >I was able to download a registry hack that corrects the problem with the
> >register ( so it says ).
> >
> >Installed same and, fingers crossed, so far so good. The flights I
usually
> >try to cause the system to freeze all completed with no problems.
> >
> >I shall wait and see.
>
> Hope you nailed it, new hardware equal BIOS and drivers tuning...
> Could you please share a link to that registry mod?
>


So far so good Katy! - Tried various flights that usually freeze and haven't
had a single freeze. No negative impact whatever .

The mod can be found at:

http://www.synapse.gr/downloads/nv4loopfix.zip

and for general info, browsing around forums.nvidia.com and searching for
"nv4_disp" is a worthwhile effort.

Fingers still crossed but loosening <g>,

Vic