Voodoo 3 3000 PCI - strange bug on 104x768 res

[TeronL]

Hi everybody.

I've found a strange artifact in games when I use this res in it.

How do you say? For example in UT I have little green dots and little horisontal tearings when I look on black 2d menu (Player skin window, console). Or such things on console in Q3. Only in 2d part of the games, the 3d part works nice even if I overclock card up to 190 mhz.
But if I set the more lower res, or higher (1280x1024 for example) artifacts disappear...
By the way the problem only in 2d part of the games, if I set these resolution in Windows all looks fine.

I cant understand what a heck is that. Could it be driver (Amigasport 3.0) or some hardware problems with my nForce 2 chipset? Or its somethings else?
In other words: Can you identify the nature of that problem?
Thanks.