- Joined
- Jan 18, 2019
- Messages
- 250
- Motherboard
- Z390 M Gaming
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- i9-9900
- Graphics
- RX 580
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Hi @TheBloke ,
I'm using your F3C BIOS config and I noticed that @dolgarrenan[/USER]'s config has 'Above 4G' disabled. I think we are supposed to have it enabled right?
I also try dolgarrenan's TB3 SSDT, still the same behavior. I will continue to debug.
I'm using your F3C BIOS config and I noticed that @dolgarrenan[/USER]'s config has 'Above 4G' disabled. I think we are supposed to have it enabled right?
I also try dolgarrenan's TB3 SSDT, still the same behavior. I will continue to debug.
Hi @oreoapple - I'm afraid I'm not a good person to help with anything related to TB3. I still don't actually have any TB3 devices, and for that reason I haven't yet tried the firmware flashing. I've tested that the TB3 ports work as USB3 ports, and that's it. And because I haven't yet done the firmware flashing, my About This Mac -> Thunderbolt section is empty.
The SSDT in the EFI I uploaded is identical to the one provided by @dolgarrenan in his OP. I can see from the screenshot in the first post that his Thunderbolt section does say "40Gb/s x1", so yes I suppose seeing 20Gb x 2 is different and perhaps wrong. But I'm afraid I couldn't tell you why.
The only thing that does occur to me is to check your Thunderbolt BIOS settings. Do you have "SL0-No Security" set? And what values do you have for the other parameters? I believe "No security" is definitely important, but I don't know about the other options - but when I applied dolgarrenan's BIOS profiles I did notice he had some non-default values, eg I seem to recall he had Reserved I/O set to 8 (default is 0).
I have no idea if they could affect this, but you could try:
As and when I get a TB3 device I'll try the firmware flash and report back, but that's unlikely to be until the new year so hopefully you'll have it fixed long before then!
- Saving your current BIOS settings to a profile.
- I normally save two: one to internal memory, one to USB; the internal memory profile is more convenient, but it gets lost if you swap to the secondary BIOS or re-flash the BIOS, whereas the USB copy can be retrieved any time.
- Loading dolgarrenan's BIOS profile - he's uploaded two in this thread, one for BIOS F3B, one for F3C.
- Taking a note of his Thunderbolt settings.
- Or capture a screenshot by hitting F12 (requires a FAT16/FAT32 formatted USB stick.)
- Reload your profile, and adjust your Thunderbolt settings to match his.