Thanks Pauly and theog I have already looked on sony and Intel web sites but no luck.
there are only Xp drivers which just do not want to work with Win7.
i get error
"This device cannot start. (Code 10)"
It's worth the effort browsing manufacturer sites, in this instance Sony Vaio, for newer models that might contain the same hardware and using the drivers from the Sony Support Pages, and you can do that for finding updated Sony Software if you use it.
Just because you can't find the drivers on your models support page, doesn't necessarily mean there isn't an updated version of it somewhere.