Quote Originally Posted by Random Murderer View Post
i got a question. i just got another 3870, but it seems my bottom pci slot and my bottom pcie slots are dead. is this a known issue with bios 2504(as a friend encountered with an abit board he had) or is it time to rma?
I had 2900xt's crossfired in 2504 and a single one running in the bottom slot previous to that.

I remember seeing someone else with a similar issue crossfiring 3870's on this board. Apparently it ran fine after setting the PEG link options in BIOS to auto. I'll take it you've already tried a single card in the bottom slot?? If that's not working it's RMA time unfortunately