Innaccurate information, or help needed

On 07/01/2015 08:54 PM, Jonathan Burgess wrote:
> I have a Lenovo ThinkPad Twist s230u that has a Broadcom 43228 that is
> identified by the PCI ID of 14e4:4359.
>
> I have attempted to use both the b43 and broadcom-wl drivers.
> In both cases, the speed of my connection is about half of what it
> should be. I have had this problem on Windows, but it was solved by
> installing drivers from Lenovo's website.
>
> The b43 page on the linux wireless wiki says that everything is
> working as of kernel version 3.17, but there is obviously still a
> problem or there is missing configuration information.

What drivers were on the Lenovo website? In particular, does loading that driver 
taint your kernel?

Larry