Latest SB drivers can always be found here:
http://www.station-drivers.com/page/intel%20raid.htm

Latest NB drivers can always be found here:
http://www.station-drivers.com/page/intel%20chipset.htm

The 64-bit F6 drivers that go with the linked SB drivers are missing, here is a separate download to them:
http://www.mediafire.com/?dg9jo9d1xda

Don't know why intel keeps such out of date drivers on their website.