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X299 Big Sur Support

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I checked the numbers :

- SSDT-EC-USBX :
{
"kUSBSleepPowerSupply",
0x13EC, = 5100 Decimale
"kUSBSleepPortCurrentLimit",
0x0834, = 2100 Decimale
"kUSBWakePowerSupply",
0x13EC, = 5100 Decimale
"kUSBWakePortCurrentLimit",
0x0834 = 2100 Decimale
})

- USB.kext :

View attachment 506361

So they match, as expected

With this for all USB devices : XHC2, XHC3, XHC4, XHC5 (GC Titan Ridge) and XHCI.

That means that we could do without SSDT-EC-USBX and have SSDT-EC instead

I attach for Asus X299 Prime Deluxe MacPro 7,1 SMBIOS :

- Big Sur X299PrimeDUSBMacPro.kext ( ASMedia.kext no more required )
- Catalina X299PrimeDUSBMacPro.kext
- SSDT-EC
- SSDT-XHC
- SSDT-XHCi
- SSDT-TB3HP-TTR (for chip no flashed)

I tried adapting the properties for the Sage II and I've noticed the XHC2/3 controllers disappear from Hackintool on reboots. Noticed the same on R6EE.

Screen Shot 2021-01-27 at 12.01.37 PM.png


The ports still work so I'm not sure if they even need mapping since they are on their own controller and below 15 anyway.
 
I tried adapting the properties for the Sage II and I've noticed the XHC2/3 controllers disappear from Hackintool on reboots. Noticed the same on R6EE.

View attachment 506468

The ports still work so I'm not sure if they even need mapping since they are on their own controller and below 15 anyway.
And did they still work ?
 
And did they still work ?

Ports work but they dont show as HS01/SS01/HS02/SS02. They also don't appear in Hackintool. Have you ran into this? Just a reboot will cause it to disappear
 
Ports work but they dont show as HS01/SS01/HS02/SS02. They also don't appear in Hackintool. Have you ran into this? Just a reboot will cause it to disappear

No problem on my ASUS Prime Deluxe , but annoying ;

Screenshot 2021-01-27 at 19.43.25.png


Screenshot 2021-01-27 at 19.43.36.png

Screenshot 2021-01-27 at 19.49.27.png
 
Yup looks like same issue. Notice that XHC2/3/4 aren't being populated in Hackintool and HS01/HS02/SS01/SS02 aren't showing under the XHC devices in ioreg. So not sure if we even need to map them?

The USB ports work but some problem

Screenshot 2021-01-27 at 20.00.16.png
Screenshot 2021-01-27 at 19.56.44.png


And I prefer USB-MAP-master , not fun from the other multi-tool ;)
 
Last edited:
I am about to upgrade my system to BigSur. Can someone please share an OC 0.65 EFI folder for an Asus x299 Prime Deluxe mainboard. My CPU is an i9 7900X, Sapphire Radeon Vega64, TitanRidge Thunderbolt, WiFi/Bluetooth Broadcom Card built according to @kgp's guide?
Thank you
 

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  • Big Sur USB-PX299D-kext.zip
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