[mythtv-users] What version of PCI on my mobo?

[John Drescher]

> Never heard of that before, I can't imagine any Mobo will have an issue
> with a PCI card, baring lack of slots.
>
Its all about voltage support. Originally the PCI slot only supported
5V then this turned to only supporting 3V cards. There were a few
revisions in between that supported both. They did this with keying.

http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect

Also look at the external links for diagrams.

John