> Yes "Wheezy" under GNOME-2, and "Jessie" under GNOME-3
Right. Gnome-3 requires decent 3D support.
> I see, it has to do with graphics after all. X.Org's XAA and EXA are 2D
> accelerators, right?
That's right.
> My PC mainboard manual states it has got on-chip AGP 2D/3D.
I don't think X.org has 3D support for Trident cards, so even if your
card does provide some 3D functionality, it probably doesn't help.
So you need to stick to a non-3D desktop.
Stefan
