[ale] PCIe v2 vs v3

[Phil Turmel]

On 11/17/2016 08:56 AM, Jim Kinney wrote:
> If I use a v3 gpu in a v2 slot, all connections are backward compatible
> just 1/2 clock speed, will that do anything more than run the gpu at
> half speed and half memory bandwidth.
> 
> It seems my older tesla cards can't run the required tensorflow code.

Hmmm. Are you sure the backward compatibility is in that direction?  I
was under the impression one could put a v2 card on a v3 mobo, but not
necessarily the reverse.

Phil