ASUS Rolls Out ThunderboltEX 4 Add-on Card
 
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Yukikaze
(@yukikaze)
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Joined: 4 years ago
 

I wonder if this Maple Ridge one works like Titan Ridge, in the sense that it can work on even unsupported systems...

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itsage
(@itsage)
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@yukikaze, ASUS ThunderboltEX 3-TR Expansion Card looks identical so I'm hoping they work the same way in unsupported systems. I will pick one up when it becomes available to test with my Gigabyte Z490 Vision D and B550 Vision D motherboards. Both have on-board Titan Ridge.

 

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Yukikaze
(@yukikaze)
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Joined: 4 years ago
 

@itsage - Awesome, thanks! I am really interested in this being supported or not.

Want to output 4K@60Hz out of an old system on the cheap? Read here.
Give your Node Pro a second Thunderbolt3 controller for reliable peripherals by re-using a TB3 dock (~50$).

"Always listen to experts. They'll tell you what can't be done, and why. Then do it."- Robert A. Heinlein, "Time Enough for Love."

 
2020 14" Lenovo ThinkBook Yoga 14s [11th,4C,G] + GTX 1080 Ti @ 32Gbps-TB4 (AKiTiO Node Pro) + Win10 20H2 [build link]  


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joevt
(@joevt)
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Maple Ridge is USB4 with Thunderbolt 4 support. It uses the USB4 PCIe class code. The class code is defined in the USB4 spec along with all the PCIe registers.

  https://tinymacx86.com/threads/z490-z590.308084/post-2235445

 

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joevt
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I don't know if the USB4 spec mentions anything about the Thunderbolt 4 header that the Z590 motherboards have .... That may complicate things, or maybe doing the Force Power thing will work for when the header doesn't exist.

macOS doesn't have any driver that matches the USB4 class code (0x0c0340)

Linux driver has the USB4 class code.

Does Tiger Lake have a USB4 controller with the USB4 class code?

 

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