Gigabyte Z390 UD slow usb

[GreatDaneinDc]

So after a bad bios update I had to replace my motherboard and decided to get a cheaper newer model. One of the first issues I noticed most of the usb3 ports are running at usb2 speed. Even my Alpine Ridge Thunderbold 3 card is operating at usb2 speed. Any help would be grateful.

 

[Feartech]

So after a bad bios update I had to replace my motherboard and decided to get a cheaper newer model. One of the first issues I noticed most of the usb3 ports are running at usb2 speed. Even my Alpine Ridge Thunderbold 3 card is operating at usb2 speed. Any help would be grateful.

The New Beginner's Guide to USB Port Configuration

Important Update: June 2023 From Big Sur 11.3 on the built-in OpenCore XhciPortLimit quirk no-longer worked as described. This became a known "bug", though in reality it was Apple changing their internal code, making a simple "peek and poke" to keep it operating, a difficult task. However, with...

www.tonymacx86.com

 

[GreatDaneinDc]

The New Beginner's Guide to USB Port Configuration

Important Update: June 2023 From Big Sur 11.3 on the built-in OpenCore XhciPortLimit quirk no-longer worked as described. This became a known "bug", though in reality it was Apple changing their internal code, making a simple "peek and poke" to keep it operating, a difficult task. However, with...

www.tonymacx86.com

Tried that and it didn't work. What did work was just adding the kext patch. Afterwards my ports are back to usb3 data transfer speeds.

 

[Feartech]

Tried that and it didn't work. What did work was just adding the kext patch. Afterwards my ports are back to usb3 data transfer speeds.

not suitable for long term use