The Matrox-driver for Win9x has a monitor-setup where you can configure every resolution,
but the dos-games ignore that, they rely on the monitor that is set in dos-mode.
There was an utily-program to install and configure that. I think that solved the issue.

Does Screemer 2 and Screamer Rally work with MSI api on Matrox Millennium II ? I have black screen on that card, but maybe there is somthing wrong on my system. Tomb Rider work correctly on Millennium II but every MSI Windows games crushes.