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Recent content by Vaqz

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    PCI-E speeds for R7770 crossfire

    Yeah now i have a Corsair 750W plugged in and connected. I've tried running both cards seperate and they get x8 speeds. But when they are in crossfire it still shows that the secondary is x1, even under GPU-Z stress test. And this PSU has seperate PCI-E cords. Anyone have any idea? :confused...
  2. V

    PCI-E speeds for R7770 crossfire

    Okay guys, i will try my friend's 750W psu tomorrow and see if that is any change. Btw, when using my 550 it only has 1 cord-bundle for the pci-e 6-pin connectors, like this: https://www.angela.pl/galerie/c/chieftec-gps-550ab-a-box_4255.jpg EDIT: here is the full thing...
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    PCI-E speeds for R7770 crossfire

    Its a CHIEFTEC GPS-550AB-A, 3 years old. http://uk.hardware.info/productinfo/63200/chieftec-smart-550w
  4. V

    PCI-E speeds for R7770 crossfire

    I did check them using GPU-Z rendering test. My power settings are set to High Performance. I also have flashed to the newest BIOS and have the newest chipset and display drivers from AMD. I will try to use only the slow GPU tomorrow and check the results. Btw i currently use a 550W PSU, but...
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    PCI-E speeds for R7770 crossfire

    Hey, i have just gotten another XFX Radeon HD 7770 Black Edition and GPU-Z reports PCI-E Speed as x8 2.0 for my main card and x1 2.0 for my secondary card under load. What is also wierd is that after a reboot, both cards shows x8 and performs good, but after around 30-45 minutes of idling the...
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