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  1. joevt

    Z490 & Z590

    Your ROM is identical to mine (except mine is in Linux format - yours is in ROM format).
  2. joevt

    Z490 & Z590

    Probably. There are three drivers listed in the info.plist: AppleThunderboltHAL (for NHI types 1,2,3 Thunderbolt 1,2,3 discrete controllers) AppleThunderboltHALType4 (for NHI type 4 Ice Lake Thunderbolt 3 integrated controller) AppleThunderboltHALType5 (for NHI type 5 Apple Silicon...
  3. joevt

    Z490 & Z590

    Maple Ridge is discrete USB4 (pid 0x1137, class code 0x0C0340). Apple hasn't made a discrete USB4 driver yet. M1 Mac is integrated USB4 (name acio) (AppleThunderboltNHIType5). Compiled for Apple Silicon only. Ice Lake is integrated Thunderbolt (pid 0x8A**, class code 0x088000)...
  4. joevt

    [SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

    That would be interesting. In the current Mac Pro, discrete Thunderbolt controllers (8 Gbps PCIe x4) are used near the Thunderbolt ports (Mac Pro top and Mac Pro I/O card). Thunderbolt 4 from the CPU will need to take a longer path at 20 Gbps x2. Probably Apple will do away with the I/O board...
  5. joevt

    Gigabyte Z490 Vision D (Thunderbolt 3) + i5-10400 + AMD RX 580

    Maybe. I haven't done any testing. I can get 2822/2800 MB/s read/write using Thunderbolt 3 (Alpine Ridge enclosure) and 1061/1063 MB/s using USB 3.1 gen 2. I expect something like 2000 MB/s for gen 2x2. I don't think the Z490 Vision D has a gen2x2 port. You need a Z590 or a PCIe card. Probably...
  6. joevt

    Gigabyte Z490 Vision D (Thunderbolt 3) + i5-10400 + AMD RX 580

    I think you mean 10 Gbps. I don't think anyone has tried getting 20 Gbps from the Gen 2x2 ports (at least in this thread?). macOS doesn't support gen 2x2 (true for Monterey as well?). If you have a 20 Gbps device, and want to try 20 Gbps, then you'll need the GenericUSBXHCI.kext. One person...
  7. joevt

    [SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

    I use DriverOrder and Driver#### on my MacPro3,1 to load drivers before Apple Startup Manager boots (so it can see APFS partitions for example). That way I don't need to flash my rom and if the driver has a bug I can zap the pram using Command-Option-P-R. Other drivers I would like to work on...
  8. joevt

    [SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

    The Apple Thunderbolt to Gigabit Ethernet Adapter and the Apple Thunderbolt to FireWire Adapter are Thunderbolt 1 adapters. See the attachment at https://forums.macrumors.com/threads/testing-tb3-aic-with-mp-5-1.2143042/post-27612591 They use the DSL2210 Thunderbolt controller. I have a script...
  9. joevt

    Z490 & Z590

    PCIe link width transition is interesting. There's a way to programatically change the PCIe link rate (so you can test a PCIe card at different link rates). Is there a way to programatically change the PCIe link width?
  10. joevt

    [SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

    I tested a TB4 hub with a TB3 Mac mini 2018. Works in Big Sur. For Catalina, only devices connected before boot work (seems UEFI has better support than Catalina - makes sense since UEFI has to boot Big Sur). I only have one other PC with Thunderbolt so I can't test more than two hosts...
  11. joevt

    [SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

    Can a TB4 hub be used to connect multiple hosts together? Can they all see each other in Thunderbolt networking? Previously with TB3, you could only connect two hosts together since there was no branching in the Thunderbolt chain. Oh wait, is that even true? A TB3 Mac has multiple Thunderbolt...
  12. joevt

    Thunderbolt 3 Modified Firmware Custom SSDT Discussion

    Alpine Ridge cards don't automatically enable USB 3.x. Once you get force power working (with pull up resistor to 3.3V source), then you need to enable USB 3.x. This can be done in EFI Shell. https://forums.macrumors.com/threads/usb-3-x-pcie-cards-for-classic-mac-pro.1501482/post-27935029 Maybe...
  13. joevt

    Gigabyte Z490 Vision D (Thunderbolt 3) + i5-10400 + AMD RX 580

    Override files can go into /Library/Displays/Contents/Resources/Overrides instead. That's where SwitchResX puts them. Are you trying to do a mtdd or icns file instead of an override file?
  14. joevt

    Z490 & Z590

    Oh, it's finally announced. I've been using the ASUS ThunderboltEX 4 (haven't tried Thunderbolt yet, just USB). https://forums.macrumors.com/threads/usb-3-x-pcie-cards-for-classic-mac-pro.1501482/ They're all coming out of the woodwork (but not in the negative way that idiom implies - there's...
  15. joevt

    LG UltraFine 5K Build

    The tech specs say "Graphics specifications may vary between CPU types". Also, the motherboard doesn't have DisplayPort inputs. Therefore, the Thunderbolt 4 ports will be connected to the CPU's iGPU, not the RX 580. The motherboard doesn't have a Thunderbolt header port, so a Thunderbolt add-in...
  16. joevt

    Using a Presonus Quantum Thunderbolt 2 Audio Interface...HELP

    I don't have any Thunderbolt audio devices that are not just USB.
  17. joevt

    Using a Presonus Quantum Thunderbolt 2 Audio Interface...HELP

    In Big Sur, we don't have access to the root directory / so we need to modify the commands that use that directory. First, remove the mount command because Big Sur won't allow us to mount the root directory as writable. Make a temporary directory, to copy the kext to. Also, in Big Sur, we can't...
  18. joevt

    Gigabyte Z490 Vision D (Thunderbolt 3) + i5-10400 + AMD RX 580

    USB 3.2 gen 2x2 uses normal USB-C cables. A USB-C cable has four SuperSpeed lines (for USB 3.x and DisplayPort) and two HighSpeed lines (for USB 2.0). USB 3.x has separate lines for transmit and receive so x1 takes two lines and x2 takes all four lines. USB-C can do any of the following: - USB...
  19. joevt

    Z490 & Z590

    It's just using the framebuffer created by UEFI. For example, you could use an unsupported Nvidia GPU (RTX?) and get an image even if the macOS driver doesn't load. Does dragging windows and scrolling perform OK? I suppose an iGPU will perform better than a dGPU when using a UEFI framebuffer...
  20. joevt

    [SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

    What's wrong with using the DP cable (besides needing a second cable for USB)? Your screenshot shows that you are using a 3840x1620 HiDPI mode. What mode do you want to use? You can probably use a HiDPI mode up to 4096x1728 if there's a 8192x3456 scaled mode. Create scaled modes using...
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