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[Official] MSI 790FX-GD70 Owners Club - Page 21

post #201 of 9641
Quote:
Originally Posted by XAnarchy View Post
I've almost read this whole thread, and i've come to the conclusion that this board is nuts!

I just have a few questions before i go and buy anything, and i figured i'd ask it here cause im too lazy to look for it.

How many sata ports does it have?
Whats with the 4 PCIe 16x ports? are they 16x?
Can you plug in 4 graphics cards?? <drools>
Any known problems?
I noticed when you started talking about OCing the ram etc, you said the timings, i dont quite understand this, can someone post a link to explain what it all means, or in general, is it better to have lower or higher timings?

Many appreciated, XAnarchy
1. 2 cards in CrossFire 16x 16x
3 cards CrossFire 16x 16x 8x
4 cards CrossFire 8x 8x 8x 8x

2. Yes you can have 4 graphics cards
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post #202 of 9641
Ram timings explained : http://www.overclock.net/faqs/26706-...tml#post276921

Lower is generally better.

With four video cards it's x8/x8/x8/x8 two cards it's x16/x8/x16/x8

sata 8 total (6 on sb750 + 2 on Jmicron controller)
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post #203 of 9641
wow, you MSI boys really work fast!

Thanks a bunch
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post #204 of 9641
Quote:
Originally Posted by XAnarchy View Post
wow, you MSI boys really work fast!

Thanks a bunch
No problem man
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post #205 of 9641
Quote:
Originally Posted by Chucklez View Post
1. 2 cards in CrossFire 16x 16x
3 cards CrossFire 16x 16x 8x
4 cards CrossFire 8x 8x 8x 8x

2. Yes you can have 4 graphics cards
So with this knowledge, would it be safe to say that 4x graphics cards = no no?

you'd get more performance out of 3 than 4 wouldn't you? so whats the point in having 4? Although, if im not mistaken you can add any other pci card into that port couldn't you? would that mess with the graphics cards? I'm not 100% sure on that though, correct me pls
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post #206 of 9641
Quote:
Originally Posted by XAnarchy View Post
So with this knowledge, would it be safe to say that 4x graphics cards = no no?

you'd get more performance out of 3 than 4 wouldn't you? so whats the point in having 4? Although, if im not mistaken you can add any other pci card into that port couldn't you? would that mess with the graphics cards? I'm not 100% sure on that though, correct me pls
In Crossfire you get about 95% of the performance you would in 3 way crossfire then in 4 way crossfire.

Really 3 way crossfire is more than enough for gaming.

But if you like doing benches and such 4 way would be better.
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post #207 of 9641
Current video cards can't fill the bandwidth capabilities of a x16 2.0 slot. A most you'd lose around 5-10% from running x8 over x16. The four card setup would be wasted though unless benching or running a monster resolution.
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post #208 of 9641
Only thing i see running 4x vids for is LOTS OF MONITORS or Folding like discussed earlier in the thread....
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post #209 of 9641
There is a new mobo coming out for intel boards, its a workstation board. It had 8 slots for graphics cards, he mentioned in there ('Atomic' magazine) that it would be a KILLER F@H setup. Just thought i'd throw that in there.

Thanks again for your help, and I didn't know "Current video cards can't fill the bandwidth capabilities of a x16 2.0 slot" Shadow 419.

I guess to have 4 graphics cards running (esp expensive ones) it would more be an ego thing than anything else. "I have more graphics cards than you, but i also have the smallest...."
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Impulss
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post #210 of 9641
Like stated before, 4 cards are only viable for folding, benching, or multi-monitor setups.
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