http://matrox.com/mga/products/mill_g400/applications/dh/home.cfm "In addition, Matrox G400 DualHead Display is the only multi-monitor solution available that allows you to use a TV as a second display for Windows 98 Multi-Display operation with independent resolutions, color depths and refresh rates." support by OS: http://matrox.com/mga/products/mill_g400/dh_chart.cfm