I have an Intel Mother Board of 865 chipset, 32 Bit 1700MHz Processor.This is assembled Board.The updated VGA driver downloaded from Intel website does not support: though I have enhanced the RAM to 1GB. What is the fit VGA driver to run windoes 7

I have an Intel Mother Board of 865 chipset, 32 Bit 1700MHz Processor.This is assembled Board.The updated VGA driver downloaded from Intel website does not support: though I have enhanced the RAM to 1GB. What is the fit VGA driver to run windoes 7 ?