[CentOS] VirtIO drivers and CentOS 5.4(Final)

> Thanks, Akemi, that's really useful, and I'd never heard of it. I suppose
> that as it gets updated, it'll tell me the most current legacy to use (in
> my case, the 310.40  worked, but the 340.58 did not... and that was trial
> and error.

 It's all in the README that comes with the driver ... once upon a time,
 I wrote a script to extract driver info for the installed card (not on
 CentOS), but nvidia-detect is arguably better.