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Hey thanks for your feedbacks Would you mind sharing your EFI folders? That could help me with pm and sleep. Thanks a lot

One more thing. One last problem I have is that my second monitor background screen reset after every reboot. As well the windows position. I was wondering, how to you deal with NVRAM? Clover RC patches? EmuVariableUefi-64.efi? I did try many things but no luck yet. Thanks!

@jasperlevi So I did try to implement xcpm with the patches you gave me. I did some benchmarks. Stranglety, my setup seems running better without patches and with NullCPUPowerManagement.kext. As you can see, with xcpm, my CPU don't go to 4Ghz, so the results are much lower. I did some After...

Sorry, didn't get the time yet! But it's on my list.

Hi @UtterDisbelief Yes I also tried the Kext method, well it was more of a easy way because the Kext was already done and ready yo apply. But I still want to be able to create my own SSDT, since it's the method I understand the most (thanks to your guide!). Now, my SSDT is in place and...

All right, never try xcpm yet, excited! Before jumping into it, with the 5820k, we still have to keep VoodooTSCSync.kext, even when using xcpm as you just describe, right?

I still have to test it, no time today. That would be the first time sleep would work on this machine. Finger crossed. Well I'm gonna take advantage of your knowledge a little more if it's OK. Could you tell me how do you manage your CPU Power Management? If you have some speed steps working...

Ouch I had no idea I had to turn off those patches. They were still active. My abstract understanding of this is bad. A little bit better now! They were the problem I guess. The new Kext works PERFECT. Exactly the port I needed. :thumbup: Absolutely. Working OK so far with the Kext. So a BIG...

Yeah well, If I'm not very clear I'm sorry. Before going further, could you confirm me that, after applying the SSDT_USB.aml, should I keep USBInjectAll.kext: YES XHCI-unsupported.kext: YES? I think? Clover USB Kext Paches: NO XHC and EHCI rename patches: I don't know? Thanks and sorry I'm...

So, I did that, but no luck so far. With this kext, all my USB ports are working as USB2, even USB3 ports. Here is what it looks like in IOReg after kext applied: I can't debug this alone and I'm pretty lost, but here is what I can say: I can see that on your kext, USB3 ports are SPXX, but on...

Well my addresses seem correct, here is my IOReG. But. I've found in this forum a USB XHCI Kext for my exact motherboard, and when I look at it, USB 3 port are not SS01 but SP01. Not sure if it changes anything. Thanks for your time.

That's impressive numbers. I'm looking forward to OC my machine more precisely, thanks for the profile! For the moment I'm @4Ghz auto in Bios, but if I apply XMP profile with this auto OC no post, no boot. So I have to do it manually I guess. Lastly, can you confirm that EHCI and XHCI handoff...

WOH Thanks so much! I am trying to do my own SSDT but slowly learning.. I will try all that and get back to you! For the moment I'm using MacPro SMBIOS. Would you mind sharing your OC and score with iMac14,2? And, do you have EHCI / XHCI hand off enable on your bios? Thanks!

Update: I successfully created a SSDT_USB.aml, and everything looks good on IOReg. But I should've did something wrong because it's worst than ever :angel: > with SSDT_USB.aml + USBInjectAll.kext + XHCI-unsupported.kext + no Patches: All my EHCI ports are disable, meaning my 4 usb3 ports...

Answering myself: Off course no discovery because the HSXX ports are not under XHC anymore with FakePCIID_XHCIMux.kext. Forget it.

Thanks for this intel! NOW I understand a little bit more what's going on. That was my mistake at my first try. Would never have resolve it alone thanks! Result: no discovery possible in IOREG exept for the EHCI ports. Result: no discovery possible in IOREG for any ports. The only thing...

Hello @jasperlevi, I've tried to download your file, but it looks empty? I would be glad to have a look at it. Thanks.

Thanks for the quick feedback! Yep that's it, it's HS09 SS05 Does it mean that I should act like they are not here? Or should I include them in the SSDT? I'll try that ASAP. :thumbup:

Hey, Despite this great guide and all my tries, can't seems to work for me. I think I might have a problem in the first place: My config: Mojave 10.14.5 with latest USB patches Gigabyte X99-UD4 USB 2 + USB 3 speeds are fine, but I do want to create a custom USB SSDT Gigabyte x99-UD4 USB...

Thanks for your feedback. I'll try to manually OC and see if the results is better or same than auto.