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Just installed a second Ati 6990 again... Motherboard Error "D4"

pugheaven

pugheaven

pugheaven

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... currently running a 6990+6970 in trifire... just picked up another 6990 again and replaced 6970 and hey, "PCI resource allocation error. Out of Resources" error code on the message board on my motherboard.

So, what's going on here... can run two GPU's before, but switch and I get this error? Current machine is:

Intel I7 3820@4625mhz (125x37), EVGA X79 SLi, Phanteks PH-TC14PE HSF, 32GB GEIL Quad DDR3@1666mhz, ATi Tri-Fire 6990+6970@880MHz/5300Mhz, 2xIntel 520 480GB SSD RAID0, 2x4TB Hitachi HD, Eyefinity 3x24"Benq 5760x1080p, Windows 7 Ultimate, Antec 1200 Case, 1300W PSU
 
Just disabled E-SATA and LAN on the board just in case this miraculously freed something up... nope, still get same error.
 
pugheaven said:
Well, it's not quadfire, it's crossfire really... and as far as I'm aware all boards support it...
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It's quadfire as they are dual gpus, mobo description just says CrossfireX, not 100% if this includes quadfire as you often see Quad-SLI/quadfire listed if a motherboard supports it.
 
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4 way crossfire not supported by the board.

http://www.evga.com/support/faq/afmmain.aspx?faqid=59334

Never been much of a fan of evga products except the classified gpus tbh.

edit: speculation here on my part as I don't know the specifics of the board or x79/2011, but is it the case that with x79 you have 2 x16 lanes from the CPU? If so then they'd have to go lower than x8 to provide 4 way sli without an extra chip (nf200.. plx etc)? Hence adding the chip to the classified board to establish it's place in the product line.

double edit: In my little google search i read that a board's bios allocates pci-e resources. So it may well be the case that an oversight on evga's part means that because they aren't expecting 4 way gpus they have prevented the bios from allocating it?

I take it your bios is up to date? I would continue with your thread @evga and see what they say
 
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Defy Belief said:
It's quadfire as they are dual gpus, mobo description just says CrossfireX, not 100% if this includes quadfire as you often see Quad-SLI/quadfire listed if a motherboard supports it.
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I kow it's 4 GPU's, but when running one 6990, it's not crossfire, you dont' enable it... it's not like if you had 4 graphics boards to get Quadfire... I can understand that... but yeah ok, it's quadfire but I don't know any boards that don't support it for ages.
 
a lot don't support it, looking at the table that has been linked it will not support 4 way crossfire/sli - at least not with your bios, may be able to get it supported but i'm not sure.
 
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it's not true 4 way though... with a 6990, you don't enable crossfire even though there's 2 cores on it... for me, I've been able to run two 6990's in two socket 775 boards... for me, to not have this options is disgusting IMHO if it's the case. It's not like I'm doing quadfire over 4 seperate boards... as far as the motherboard is concerned, the 6990 is one GPU I'd have thought. All it care about is how it interfaces with another separate card?
 
Have you thought about upgrading the board if you are going to run 2 x 6990s so you can run them both @PCI-e x16
 
Kaapstad said:
Have you thought about upgrading the board if you are going to run 2 x 6990s so you can run them both @PCI-e x16
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I'm currently running a 6990+6970 and both PCI-E slots are running at x16 so I don't need to upgrade the board... I've only just bought it anyway lol...
 
Andrew Moore said:
hello

I have pinged EVGA an email here to see if theres anything they can do :)
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Cheers, believe me, I won't be happy if I can't run these two 6990's, the reason I bought this EVGA was it was cheap which left me cash to buy an extra 6990 again like I used to have... the only reason I got rid of the old one was it was too GPU heavy in my old Q6600 system and wasn't reaping the rewards so sold it to a mate. However, now I have this beasty system thought I'd go quadfire again... however seems to have backfired.
 
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