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Thread: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output




  1. #11
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    your installing the card in the second pci-e slot? are you setting first initial display as pcie #2 in the bios????
    Gigabyte z77x UP4-TH F11c Modded Bios
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  2. #12
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    Quote Originally Posted by wazza300 View Post
    your installing the card in the second pci-e slot? are you setting first initial display as pcie #2 in the bios????
    Yes, the second slot (PCIE2) on this motherboard Asrock Z77 Pro3 is the only one supporting PCI-E 3.0.

    BIOS has only the following settings for primary display: onboard, PCI Express, PCI. I am using PCI Express setting now. Tried also PCI.

    MORE INFO: if changed BIOS setting "PCIE2 Link Speed" from "Auto" to "Gen1", and the 8750 card starts working in this PCI-E 3.0 slot, but is working only in the PCI-E 1.1 x16 mode (checked using GPU-Z tool).
    Asrock Z77 Pro3 (P1.30), i5 3570K, 2 x 4 GB DDR3 1600 MHz Corsair Vengeance LP, Sapphire HD 4850 OC 2GB DDR5, Samsung 830 SSD 128GB SATA3, Seagate Constellation 1TB SATA3, Corsair TX650 V2

  3. #13
    Kooms is offline Junior Member
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    Hello guys.
    I have exactly the same problem as the thread starter. I just assembled my new HW yesterday, and everything else went fine, except my mobo wont recognize Radeon card.
    Any solution to this yet?

    Asrock Z77pro3
    Radeon HD 7850
    4G Corsair Vengeance lp 1600mhz (getting 4gb more)
    Intel i5-3570K
    Windows 7

  4. #14
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    Quote Originally Posted by Kooms View Post
    Hello guys.
    I have exactly the same problem as the thread starter. I just assembled my new HW yesterday, and everything else went fine, except my mobo wont recognize Radeon card.
    Any solution to this yet?

    Asrock Z77pro3
    Radeon HD 7850
    4G Corsair Vengeance lp 1600mhz (getting 4gb more)
    Intel i5-3570K
    Windows 7
    Hi,

    What brand 7850 you have?

    I have not solved this case yet.
    You are the 3rd person I have seen having similar issue. One of the guys had ASRock Fatality board but luckily he had another PCI-E 3.0 slot where he got his card working.

    I have filed problem reports for both ASRock and Sapphire to get technical support but have not received any response so far.

    Maybe you should file the reports also to speed up the investigation if they receive many similar issues.

    I am already considering to buy a new motherboard (not ASRock) to see if my problem gets solved, and to pinpoint the issue to graphics card or motherboard. It seems to be impossible to solve this in any other way, especially without any support from manufacturers.
    Asrock Z77 Pro3 (P1.30), i5 3570K, 2 x 4 GB DDR3 1600 MHz Corsair Vengeance LP, Sapphire HD 4850 OC 2GB DDR5, Samsung 830 SSD 128GB SATA3, Seagate Constellation 1TB SATA3, Corsair TX650 V2

  5. #15
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    its probably poor bios support for that card,asrock need to update the bios to support 7850 cards im guessing,its not the motherboard or the graphic card just hasnt been included into the bios yet
    Gigabyte z77x UP4-TH F11c Modded Bios
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  6. #16
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    Quote Originally Posted by wazza300 View Post
    its probably poor bios support for that card,asrock need to update the bios to support 7850 cards im guessing,its not the motherboard or the graphic card just hasnt been included into the bios yet
    That's most likely it, but if it says it supports PCI-E 3.0 which is standard, it sounds strange that it does not work.

    For me motherboard BIOS = motherboard, so it is then motherboard fault (not proven yet though) :)
    It is useless no matter if it is BIOS or HW issue of the motherboard.
    Asrock Z77 Pro3 (P1.30), i5 3570K, 2 x 4 GB DDR3 1600 MHz Corsair Vengeance LP, Sapphire HD 4850 OC 2GB DDR5, Samsung 830 SSD 128GB SATA3, Seagate Constellation 1TB SATA3, Corsair TX650 V2

  7. #17
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    yes thats right pci-e3 should be supported but with all the brands of 7850's using different graphic card bios's maybe theres an issue or bug between gpu and mb,best way is to keep emailing asrock and ask them to test with sapphire 7850 card and your model of motherboard and maybe they can send you a bios to 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!!!!!!!!!!!!!!!!!!!!!!

  8. #18
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    Quote Originally Posted by wazza300 View Post
    yes thats right pci-e3 should be supported but with all the brands of 7850's using different graphic card bios's maybe theres an issue or bug between gpu and mb,best way is to keep emailing asrock and ask them to test with sapphire 7850 card and your model of motherboard and maybe they can send you a bios to try
    Yes. I am hoping that this could be solved by BIOS update. So far they have not contacted me after I technical support request via their web page.
    Asrock Z77 Pro3 (P1.30), i5 3570K, 2 x 4 GB DDR3 1600 MHz Corsair Vengeance LP, Sapphire HD 4850 OC 2GB DDR5, Samsung 830 SSD 128GB SATA3, Seagate Constellation 1TB SATA3, Corsair TX650 V2

  9. #19
    lbdesign is offline Junior Member
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    Angry Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    I have the same problem. My motherboard is h77 pro4/mvp and graphic card is Ati Radeon 7750 ultimate by Sapphire. Card works in PCI-e 2.0 and it is not recognized at all in PCI-e 3.0 slot. I also try all you sad in first post and nothing. My old (PCI-e 2.0) VGA card works in bout slots and new (PCI-e 3.0) onlu in slower 2.0 PCI-e slot. I have latest 1.4 bios, they didn`t solve this problem yet.

  10. #20
    synack's Avatar
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    Default Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output

    Quote Originally Posted by lbdesign View Post
    I have the same problem. My motherboard is h77 pro4/mvp and graphic card is Ati Radeon 7750 ultimate by Sapphire. Card works in PCI-e 2.0 and it is not recognized at all in PCI-e 3.0 slot. I also try all you sad in first post and nothing. My old (PCI-e 2.0) VGA card works in bout slots and new (PCI-e 3.0) onlu in slower 2.0 PCI-e slot. I have latest 1.4 bios, they didn`t solve this problem yet.
    It may not be a BIOS issue. There are numerous threads here and elsewhere that seem to point to an issue with the video card and it's PCI3 compatibility. Some users have solved the issue with RMA'ing the video card. It seems to be quite a common issue with the Sapphire/AMD video cards.

    Users have been able to get around the issue by setting the slot to "Gen 1" aka PCIe 1.1. However this will slow down your video obviously. (really only noticeable in intense 3D fps)

    PCIe 3 is still fairly new, and manufacturers are still working out the kinks. Be patient and don't assume! :)

    As an Aside, I would suggest you start a new thread with any issues, and refer back to an old thread(s). Adding to someone else's old thread is a good way to get your request ignored.


    Syn

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