Re: Quadro FX 1400 OpenGL many issues under Windows 7
If the "enable overlay" bit is set to ON then sometimes, rarely, the solid 3D rendering in SPDBV works and even less often the "control panel" sliders in NOC work. For SPDBV when it is slow the memory usage cranks up from around 50M to well over 100M, and the CPU usage goes to 50% (dual core system) and then falls again once the new (rotated) image appears. Almost like it is falling back to a software renderer that runs on only one core. These options appear to have no significant effect: triple buffering, vsync, stereo on/off.