Extracting the C# ADO.NET drivers without installing

We've been using the SDK SP122 drivers but have discovered they're not thread-safe at all.

We can see this is fixed in SP130 but we have problems getting SP130 to work.

I've downloaded all the SDKs between 122 and 130 but I can't easily install them - I just want to get the dll and test it.

Is there a way to extract the files without an install ?

Alternatively does anyone know when the SDK was first made thread safe ?

Thanks