- Joined
- Apr 18, 2011
- Messages
- 1,492
- Motherboard
- ASUS Pro WS X299 Sage II
- CPU
- i9-10980XE
- Graphics
- W5500
- Mac
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- Mobile Phone
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Oh yes, the newer BIOS (with Resizeable BAR Support) will kill USB on Thunderbolt. So number one action item would be to downgrade the BIOS.
Surprisingly if you have a newer BIOS and jump pins 1 and 3 with Thunderbolt settings enabled in the BIOS, the USB ports still work. If you plug in the normal 5 pin header or disable Thunderbolt settings with jumped pins, the XHC controller is gone. Not sure if this is just an ASUS X299 thing or not though