[Open-graphics] A really good immediate use for OGD1: PCI bus analyzer

[Timothy Miller]

On 12/31/06, tsuraan <tsuraan at gmail.com> wrote:
> > pre-installed with support at a premium.  The only thing about this
> > that's a major drawback is that the market is waning rapidly as PCI
> > Express takes over.
>
> How different from PCIe is PCI?  Will the work being done on the PCI
> interface be in any way useful for moving to PCIe?  Obviously, the
> pinout is totally different, so the cards being made won't work, but
> other than a bit of re-routing, how hard would adapting OGD1 to PCIe
> be?

At the signal level, PCI and PCIe are completely different.  I doubt
any of it would carry over.  Moreover, PCIe is point-to-point, and we
would have a hard time snooping a bus without adding loading and
reflections on the signals.


-- 
Timothy Miller
http://www.cse.ohio-state.edu/~millerti