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

Friedrich Clausen fred at derf.nl
Fri Nov 21 23:05:01 UTC 2008


On Fri, Nov 21, 2008 at 10:01 PM, Steve Heistand <steve at heistand.org> wrote:
> On Fri, 21 Nov 2008 15:37:26 -0500, Raymond Wagner wrote
>> 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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>
> v2 slots are backward compatible with v1 cards.
> though if the v2 card will work in a v1 slot is up
> to the maker of the card.
>
> so the OP should check the nvidia's web page on the card you are
> interested in to see if it works in a v1 slot.
>
> "Why is it so hot inside this handbasket?"
> --
> Steve Heistand
> steve at heistand.org
>
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>

An initial Google revealed this thread:

http://forum.beyond3d.com/showthread.php?t=44982

which seems encouraging...

Cheers,

Fred


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