[mythtv-users] Slightly OT - PCI Express v1 and v2.

Raymond Wagner raymond at wagnerrp.com
Fri Nov 21 20:37:26 UTC 2008

Friedrich Clausen wrote:
> It seems the 9000 series cards I have looked at are all PCI-e v.2.0
> but my motherboard specs (for MSI K8N Neo4-FI) state that it only
> supports v1.0a. So am I correct in assuming that a PCI-e v2.0 card
> cannot be plugged into a PCI-e v1.0a mobo?
v2 is backwards compatible with v1.  If either device is v1, the 
connection simply reverts back to 2.5GHz, as opposed to the full 5GHz.

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