PowerStrip 3.50 Final
 

PowerStrip 3.50 provides advanced, multi-monitor, programmable hardware support to a wide range of graphics cards - from the venerable ATI Mach 64 to the latest GeForce 6800 and ATI X800. It is in fact the only program of its type to support multiple graphics cards from multiple chipset vendors, simultaneously, under every Windows operating system from Windows 95 to XP.

http://entechtaiwan.net/util/ps.shtm