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7970 Issue

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Yeah I understand, don't want to antagonise you. You are off getting a coffee/beer and chilling out for a while and coming back with a clear mind. Systematically test each card and rule other things out as a process of elimination.
 
Disable ulps, or leave the second card@stock.

Trixx, Gpu-z can cause a CrossFire enabled rig to hang the system I have noticed in the last couple of days now that I have my DD cooled properly.

After you boot, you can launch Trixx fine, close it or minimise it or/and launch it again results in system hang needing a hard reset, Gpu-z is doing it too(but not guaranteed the second time you launch it/maximise-only happens sometimes).

If you launch Trixx, it won't hang the system if you leave it maximised on the desktop.

Afterburner is fine though, so you could monitor performance with that instead?

AMD should really sort out the ulps problem, some 69 series users had trouble with it, it's looking likely it's following on to the 79 series as well or it could be a zero core issue. :(

Next to the question mark on the PCI-e info bit on Gpu-z, you click it and it will do a small test and report the proper speed of the PCI-e iirc.
 
Try setting PCI-E to 2.0 in the BIOS if it's an X79 setup, Intel craftily downgraded the platform to only officially supporting 2.0 and as a result NVidia forced all of their cards to run at 2.0 on X79 so there is clearly an issue with running 3.0 on certain X79 systems otherwise it would not have been downgraded.
 
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Intel craftily downgraded the platform to only officially supporting 2.0 and as a result NVidia forced all of their cards to run at 2.0 on X79 so there is clearly an issue with running 3.0 on certain X79 systems otherwise it would not have been downgraded.

Would that have any baring on CrossFire setups having major problems using Eyefinity on the 79 that most put the blame AMD?
 
Would that have any baring on CrossFire setups having major problems using Eyefinity on the 79 that most put the blame AMD?

It could do yes but you'd think AMD would have forced 2.0 just like NVidia were very quick to do, knowing them they probably don't even know the issue exists or they do and just can't be bothered to do anything.
 
knowing them they probably don't even know the issue exists or they do and just can't be bothered to do anything.

Oh AMD knew all about it, Asus users were going mental about it, some even threatening legal action, but with the 12.11 Beta 11's, from what Iv'e read here it's been sorted by AMD.
 
AMD knew about it for about it for months,:(
it has been sorted with the latest drivers.

Have been running crossfire eyefinity since new driver release with
no issue at all :)
 
Try setting PCI-E to 2.0 in the BIOS if it's an X79 setup, Intel craftily downgraded the platform to only officially supporting 2.0 and as a result NVidia forced all of their cards to run at 2.0 on X79 so there is clearly an issue with running 3.0 on certain X79 systems otherwise it would not have been downgraded.

Not all of their cards

The 690s run @3.0 out of the box, why the 680s don't I find hard to understand.
 
Not all of their cards

The 690s run @3.0 out of the box, why the 680s don't I find hard to understand.

It is deffo a strange head scratcher. Unless there is something amiss that Nvidia have kept to themsleves, I can't see why it wouldn't be native 3.0 support. With the fix, I have not encountered any probs.
 
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