Flavius

Look here:http://www.vistax64.com/1087445-post8.html


EDIT
Exactly should help you this:

for Vista x64:http://www.nvidia.com/object/nforce_vista64_15.25.html

for Vista x32:http://www.nvidia.com/object/nforce_vista_15.25.html

for 7 x32 http://www.nvidia.com/object/nforce_...bit_15.35.html
for 7 x64 http://www.nvidia.com/object/nforce_...bit_15.37.html