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CrossfireX Disappointment.

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#76
Here's my 2cents, I don't know if it helps but I reckon a certain target might help you.

My q6600 needs 3.4Ghz OC to completely get rid of bottlenecks from my 4850's.

Board I'm using is P5Q Pro P45 as in my system specs and it runs 1680x1050 Crysis DX9 All High 64bit at 52FPS Average. 32bit will give you stutters on both crysis and warhead .. not sure why but 64bit completely eliminates any stuttering and smoothens out the game and also benching.

Both my cards are only at 660/1050.
 
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#77
Either cpu tbh, but it would be alot easier (not saying it's an "easy task") to obtain it with the 720.
I can see the 720 getting to 12k easily once it has a good OC, I'm thinking at least 3-3.4Ghz.

I dont know about the older X3 though. I could be wrong though, I just dont think they have the muscle.
 
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#78
I can see the 720 getting to 12k easily once it has a good OC, I'm thinking at least 3-3.4Ghz.

I dont know about the older X3 though. I could be wrong though, I just dont think they have the muscle.
They dont. The old X3 is know for being a crappy OCer. It was just in my budget at the time. Currently I'm at 2.53 stable......so far. I only have stock cooling so I don't want to push her to far. To be honest I'm not even sure what the hell the jumpers on the board are doing.

The multiplier is still at 11.5 and if I just OC the FSB via the jumpers I'm concerned it will fry the board.
 
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#79
Those OC switches just change the bus speeds and turn on ACC(or up the voltages.. not sure, I manually OC lol). Here is a tip! Try booting at 2.7ghz with ACC on +4% then the next step up from that. ACC auto sets the voltage to make it stable, you still have to push your own volts but it will stabilize the chip if it's not. I run my 7750 at 3.2ghz with ACC on +4% and it's 24/7 stable.
 
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#80
The jumpers are changing the FSB by increasing it incrementally. It won't fry your board, it's not like you're trying for world record OCs here. Worst case scenario it just wont post and you'll have to put the jump back a level or two and maybe clear the CMOS.

They wouldn't engineer and then market a feature that would kill a board. That's just bad business.
 
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#81
The jumpers are changing the FSB by increasing it incrementally. It won't fry your board, it's not like you're trying for world record OCs here. Worst case scenario it just wont post and you'll have to put the jump back a level or two and maybe clear the CMOS.

They wouldn't engineer and then market a feature that would kill a board. That's just bad business.
Well yeah man but I was talking about "my luck" more than anything. If something can be broke, burn, torn or perforated Ill find a way unwillingly :banghead:
 

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#82
I'd rather have a kicka$$ single card solution than that gimmicky CFX/SLI thing.
 
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#83
I'd rather have a kicka$$ single card solution than that gimmicky CFX/SLI thing.

Lol I think even if he bought a gtx280 and up or 4870x2 he'd still be having the same bottleneck problem.

How can you say that!? You own a 4870! Have you not read some reviews or benchmarks!! It maybe a gimmick but thats not all it is to serious enthusiasts AND people on a budget. :laugh:

My 13 year old cousin which is also a GIRL installed crossfire perfectly on her dfi mobo with a pair of 4670's, I don't see why people have so much installation problems with these things online. I think its because some deny the fact their card is a flop or that they need a better PSU.
 
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BATOFF

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#84
How does one turn off VPU recovery in vista 64 cats 9.2 ?
I seem to be gettin em randomly but does not affect my xfire.
Im blown away that the 9.2 actually worked with my 2 4780's.
Im just gettin alot of vpu recovery's. Thanks.
 
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#85
too busy to skim this whole thread . . .

but, I'll offer my thoughts, coming from 3 different xfire setups.


Most of time, performance isn't what you'll expect. Not until there's a good game profile in a CAT driver set. When there's not, the actual performance you'll see can be sketchy . . . or it can be phenomenal.


What can help, in any situation - some OCing of the CPU and BUS will really turn on the fire hose for the cards. The HD4000 series love themselves some BUS speeds, especially considering their PCIE 2.0 compliant. TO put it this way - with my Q6600, I was seeing drastic performance increases all the way up to a CPU clock of 4.0Ghz and DRAM speeds of 1800 MHz . . . and I'm certain if I could get my SYS clocks higher, these 4870s would continue to scale further. If you can't take your CPU past a certain point, BUS speeds are where the bigger performance gains are.

You could also try to install the latest ATI Tray Tools software (ATT beta), and attempt to fiddle with the crossfire settings under advanced tweaking - you're given the ability to manually set frame rendering method, and multi-GPU settings. By such you can iron out your own "profile" for a specific game. The CAT drivers don't always determine the best mGPU rendering method, and usually default to AFR.



crossfire and SLI isn't always a sure thing, unless you're playing on the most current game titles and are willing to wait a month or two for new driver tweaks from the GPU companies . . . sometimes mGPU setups require a little work, and you might not always get the performance back you'd like . . . but when you can get them working, they earn their keep :toast:
 
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#86
too busy to skim this whole thread . . .

but, I'll offer my thoughts, coming from 3 different xfire setups.


Most of time, performance isn't what you'll expect. Not until there's a good game profile in a CAT driver set. When there's not, the actual performance you'll see can be sketchy . . . or it can be phenomenal.


What can help, in any situation - some OCing of the CPU and BUS will really turn on the fire hose for the cards. The HD4000 series love themselves some BUS speeds, especially considering their PCIE 2.0 compliant. TO put it this way - with my Q6600, I was seeing drastic performance increases all the way up to a CPU clock of 4.0Ghz and DRAM speeds of 1800 MHz . . . and I'm certain if I could get my SYS clocks higher, these 4870s would continue to scale further. If you can't take your CPU past a certain point, BUS speeds are where the bigger performance gains are.

You could also try to install the latest ATI Tray Tools software (ATT beta), and attempt to fiddle with the crossfire settings under advanced tweaking - you're given the ability to manually set frame rendering method, and multi-GPU settings. By such you can iron out your own "profile" for a specific game. The CAT drivers don't always determine the best mGPU rendering method, and usually default to AFR.



crossfire and SLI isn't always a sure thing, unless you're playing on the most current game titles and are willing to wait a month or two for new driver tweaks from the GPU companies . . . sometimes mGPU setups require a little work, and you might not always get the performance back you'd like . . . but when you can get them working, they earn their keep :toast:
Everything you just said is what I have been learning. Thanks!
 
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#87
How does one turn off VPU recovery in vista 64 cats 9.2 ?
I seem to be gettin em randomly but does not affect my xfire.
Im blown away that the 9.2 actually worked with my 2 4780's.
Im just gettin alot of vpu recovery's. Thanks.
Sorry to inform but I don't think there's anyway of turning off VPU recovery in vista, from what I've read apparently its VISTA itself doing the recovery not CCC, you'll have to find a different solution unless im wrong of course.
 
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#88
too busy to skim this whole thread . . .

but, I'll offer my thoughts, coming from 3 different xfire setups.


Most of time, performance isn't what you'll expect. Not until there's a good game profile in a CAT driver set. When there's not, the actual performance you'll see can be sketchy . . . or it can be phenomenal.


What can help, in any situation - some OCing of the CPU and BUS will really turn on the fire hose for the cards. The HD4000 series love themselves some BUS speeds, especially considering their PCIE 2.0 compliant. TO put it this way - with my Q6600, I was seeing drastic performance increases all the way up to a CPU clock of 4.0Ghz and DRAM speeds of 1800 MHz . . . and I'm certain if I could get my SYS clocks higher, these 4870s would continue to scale further. If you can't take your CPU past a certain point, BUS speeds are where the bigger performance gains are.

You could also try to install the latest ATI Tray Tools software (ATT beta), and attempt to fiddle with the crossfire settings under advanced tweaking - you're given the ability to manually set frame rendering method, and multi-GPU settings. By such you can iron out your own "profile" for a specific game. The CAT drivers don't always determine the best mGPU rendering method, and usually default to AFR.



crossfire and SLI isn't always a sure thing, unless you're playing on the most current game titles and are willing to wait a month or two for new driver tweaks from the GPU companies . . . sometimes mGPU setups require a little work, and you might not always get the performance back you'd like . . . but when you can get them working, they earn their keep :toast:
thats about the most helpful post so far, so true about the drivers and im sure bus speeds or HT speeds would improve performance saying that the older games are going to have worse support