Re: How to speed up Dual QUotro NVS 420 with Xinerama
The release notes for 260.19.04 says "Implemented support for SLI Mosaic
Mode on Quadro FX 5800 and Quadro Fermi and newer Quadro GPUs."
Sounds like SLI Mosaic Mode is not support for NVS420, but you may like
to give it a try ...