ATIs Hypermemory
 

Not everyone is in the financial position to purchase a top of the range graphics card and chances are if you’ve clicked the link to read this article you are one of those people. Both ATI and Nvidia have begun to take a different approach to the cards aimed at this sector, whilst all previous low end cards came with similar volumes of memory to the mainstream and high end cards there are now cards which come with enough video memory for basic tasks and when needed share some of your system memory.

http://www.driverheaven.net/reviews/hypermem/