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Thread: GA-EX58-UD4P - 5850 Crossfire problem




  1. #1
    Join Date
    Oct 2011
    Location
    Toronto, Ontario, Canada
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    Default GA-EX58-UD4P - 5850 Crossfire problem

    Hello,

    I just added a Sapphire 5850 Xtreme to my system which already had a regular Sapphire 5850. The problem I am facing is the 2nd PCI-E x16 slot is reading the card at x8. I have swapped the cards around and the 2nd slot remains to read at x8. I double checked and I am indeed using both x16 slots. I have nothing else installed in any other PCI-E slots. I have also tried multiple different BIOS versions, cleaned the slots and card contacts still nothing. Any ideas?

    Thanks.

  2. #2
    Join Date
    Aug 2009
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    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    did you get xfire running? it should run at 16x for both cards,maybe try re installing the cards and drivers? could try reflashing bios and untick "keep dmi pool data" but install both cards before you do that,then load optimized defaults in the bios,could try clearing the cmos too see if that helps
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
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  3. #3
    Join Date
    Oct 2011
    Location
    Toronto, Ontario, Canada
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    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    Yes crossfire is running, just the card in the second PCI-E x16 slot is only x8. I tried flashing the bios with 3 different versions but I used the utility in the BIOS and didn't see the option "Keep DMI pool data." Now I am currently on F14P, loaded optimized defaults and reinstalled drivers but problem still persists. I wonder if this is a windows issue failing to report the correct numbers, but there is no way to check what the cards are running outside windows.

  4. #4
    Join Date
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    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    what are you using to determine 16x speed? use gpu-z if you arnt already
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
    Chike is offline Senior Member
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    Israel
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    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    Is it running at x8 if only one card is installed in the second PCIe x16 slot?

  6. #6
    Join Date
    Oct 2011
    Location
    Toronto, Ontario, Canada
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    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    Yes GPU-Z, CCC and Sapphire Trixx all reporting x8, Yes it is also x8 if only one card is installed in second PCI-E x16 slot, bad motherboard?
    Last edited by lbrasi; 10-27-2011 at 10:31 PM.

  7. #7
    Join Date
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    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    you should see the keep dmi pool data box its only small just before you or on the same page as where you click to flash bios,try that and see if it fixes it,untick it so that it rebuilds it
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  8. #8
    Join Date
    Oct 2011
    Location
    Toronto, Ontario, Canada
    Posts
    12

    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    I will try flashing to F14q and disable "Keep DMI Data" and keep you posted.

  9. #9
    Join Date
    Oct 2011
    Location
    Toronto, Ontario, Canada
    Posts
    12

    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    I flashed the BIOS again and this time disabled "Keep DMI Data" but the second PCI-E x16 slots still only detecting as x8 :(

  10. #10
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: GA-EX58-UD4P - 5850 Crossfire problem

    Could try fully clearing cmos by leaving out mb battery for 30mins or overnight,I cant think what else you could try
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

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