NVIDIA Quadro NVS 3100M
Linux driver - OpenSource
Works with Nouveau git or a recent kernel with this patch respectively. (This fixes the problem, where the driver falsely disabled discrete graphic, which resulted in a black screen.) 2D is supported, while 3D support is under development...
Linux driver - Proprietary
For the latest proprietary drivers go to the NVIDIA Unix Drivers page.
Several users have experienced unreliability when using various versions of the proprietary NVIDIA drivers (specifically v185 installed by Ubuntu 9.10 and v190 from NVIDIA). However v195 (currently beta) works correctly. NVIDIA Linux x64 BETA driver v195