1 Reply Latest reply on Aug 8, 2017 7:14 AM by amdmatt

    PCI-E Lane Speed Dropped in 17.7.2 - R9 Fury

    despoiler
      • AMD Graphics Card
        • Sapphire Fury Tri-X
      • Desktop or Laptop System
        • Desktop
      • Operating System
        • Win 10 Pro 64bit
      • Driver version installed
        • Crimson 17.7.2
      • Display Devices
        • Eizo Foris FG2421, Display Port @ 120hz
        • Dell e2316hr, Display Port @ 60Hz
      • Motherboard + Bios Revision
        • Asus ROG Strix X370-F BIOS 809
      • CPU/APU
        • AMD Ryzen 1700
      • Power Supply Unit  Make, Model & Wattage
      • Seasonic Flagship PRIME TITANIUM 850 SSR-850TD

      • RAM
        • 16GB

      Describe your issue:

      • Very low FPS in 3dmark Firestrike and games.  Firestrike GT1 in the 20 fps the entire run. Should be 60+.  I already isolated the issue.  PCI-E is stuck @ 1.1 during rendering.  It should be 3.0.  I rolled back to 17.7.1 and confirmed 17.7.1 goes to 3.0 when rendering.  The drivers were clean installed with both the AMD cleaner and DDU. 

       

      Message was edited by: Matt B We have updated the title of this discussion with relevant details to better describe your issue.