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post #21 of 25
Rivatuner has the options to unlink the core/shader's .. have you tried the newer version of Rivatuner.. it was just released a few days/weeks ago.

As far as your pci-e slot reading is concerned.. I wouldnt sweat it. Its probably just reporting false readings due to the 3 pci-e slots your mobo has.. could also be related to the BIOS.

You are breaking new ground, with your mobo ..so test and record the results. I do not know of any other users currently OC'ing their 780 mobo to this extent yet. Raising the pci-e freq could have a large affect on your mobo, as its pci-e 2.0 [so its got more bandwidth already for pci-e] or it could not benefit from it as much for the same reasons.
post #22 of 25
Thread Starter 
well I noticed something interesting! I moved my PCI frequency to 101 and my ago tool fps dropped to 700 from 1100. So I went to 105 and now its back to 1100. Pci hole anyone? I'm gonna run some benches to see if what I suspect is true
    
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post #23 of 25
Q for you-

Do the 780's still have a HTT link option in the BIOS, like the older Nvidia mobo's did? If so, I would experiment with it as well.. the HTT link has similar affects on the system, as lowering a cpu multi does to the NB.

Wow.. that is quite a drop. I am eager to see your results.
post #24 of 25
Thread Starter 
Quote:
Originally Posted by CL3P20 View Post
Q for you-

Do the 780's still have a HTT link option in the BIOS, like the older Nvidia mobo's did? If so, I would experiment with it as well.. the HTT link has similar affects on the system, as lowering a cpu multi does to the NB.

Wow.. that is quite a drop. I am eager to see your results.
theres things like "SPP<->MCP Ref Clock" starting at 200, nForce SPP-->MCP with values of 1X to 5x and same for nForce <--MCP.


Whats an SPP and MCP anyhow?
    
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post #25 of 25
Quote:
theres things like "SPP<->MCP Ref Clock" starting at 200, nForce SPP-->MCP with values of 1X to 5x and same for nForce <--MCP.
ohlala.

Ok. Here goes..

SPP = SB and the MCP = NB interface

Basically its allowing you to not only set the reference clock speed for the NB<->SB interface.. but it is also allowing you to boost the SB multi [formerly know as HTT for Intel based Nvidia mobo's].

So you can squeeze extra bandwidth out of these settings.. you do not need to adjust the PCI-E freq at all, unless for FSB/divider stability.

On the older 570 mobo's the HTT freq would crap out around 2-2.5ghz depending on cooling..Please note that adjusting the SPP multi will adjust latency for the SB.. so you need to test carefully to determine which 'reference clock+MCP multi gives the best results. I would lower the MCP multi to ~3x for now, and raise the MCP ref clock up closer to match a 1:1 with your FSB. Then attempt to raise the MCP multi until you determine its unstable.

This will be interesting to watch. A lot can be learned from the testing you are about to do with these settings. My guess is you should be able to score much higher on benchies at the same clocks as others, once you nail a good MCP clock and multi. It should be able to unleash much more bandwidth than a simple pci-e adjustment.
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