|
Title: second GPU not dedected should i cross fire Post by: hostmaster on January 18, 2014, 03:33:42 PM I have one radeon 270 X and just bought radeon r9 290 but it2s not dedected what could be the reason?
Title: Re: second GPU not dedected should i cross fire Post by: ineedit on January 18, 2014, 05:06:34 PM I have one radeon 270 X and just bought radeon r9 290 but it2s not dedected what could be the reason? Loads of possible reasons but cross is not the answer What does cgminer -n return? Title: Re: second GPU not dedected should i cross fire Post by: Gator-hex on January 18, 2014, 06:50:31 PM No crossfire required for mining. Only gaming.
Could be low power. If your graphics card has multiple rails you might have overloaded a rail. Title: Re: second GPU not dedected should i cross fire Post by: ineedit on January 18, 2014, 06:57:47 PM No crossfire required for mining. Only gaming. Could be low power. If your graphics card has multiple rails you might have overloaded a rail. Gator-hex means PSU rather than graphics card but it could well be the problem. Title: Re: second GPU not dedected should i cross fire Post by: Gator-hex on January 18, 2014, 09:25:08 PM No crossfire required for mining. Only gaming. Could be low power. If your graphics card has multiple rails you might have overloaded a rail. Gator-hex means PSU rather than graphics card but it could well be the problem. oops. lol yeah. I meant "If PSU has multiple rails" :-[ Try spreading the load over as many cables as possible. Title: Re: second GPU not dedected should i cross fire Post by: Hueristic on January 19, 2014, 04:31:23 AM try a dummy plug.
Title: Re: second GPU not dedected should i cross fire Post by: PeerMedia on January 19, 2014, 05:28:56 AM Try removing the 270 and putting the 290 in its place, is it detected then? If so, then its either the riser or the PCIe slot.
|