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Hi @CaseySJ I have a black screen at login after downgrading from RX 580 to GTX 770. It's a Ryzen 9 3900X AsRock ITX/TB3 - 10.14.6 Mojave. I've tried iMac14,2 instead of iMacPro1,1 and DVI/HDMI and screen is still black. Are there any boot args I could try besides shikigva=40? The RX...

Gigabyte BIOS flashing voltage with CH341A SPI flasher Hello, I'd like to know how to find out whether to use a 5 volt or a 3.3 volt SPI flasher, for "flashrom," to put on either version F20e version, since both BIOS seems corrupt on the GB Z77 UD3h. The Gigabyte board has dual bios, however...

I did update to latest BIOS 3.10. It originally came pre-2.70. Currently Boost works again after version 3.00 and I left everything on Auto, with recommended BIOS settings and XMP profile 1. A warm reboot from windows, after opening Ryzen Master, Resetting CPU parameters, then into OSX seemed...

I'm using the ASRock > X570 Phantom Gaming-ITX/TB3 3900X Speed steps do noting. Crashes under cinebench. I've tried multiple different BIOS. Unless I go into Ryzen Master, In Win 10, and reset CPU parameters, boost doesn't work and it's stuck at 3.8 Ghz I did all the AMD specific patches...

Because I can't get boost working which Intel CPU do you use with your UAD Apollo Twin? I'd like to get boost working for the Ryzen. Still stuck at 3.8 GHz.

@xtreem.p Hi, My boost suddenly stopped working. The CPU stays at 3.8GHz and in Windows too. I use latest AMD Power gadget and shows stock frequency. All OC tweaker was set to auto, and, when I make CPU 3.9GHz, it shows up, but no turbo boost. Have you heard of this AMD bug?

@xtreem.p The AsRock board you suggested works with the Apollo Twin MK2! Thank you for the recommendation! I didn't need SSDT or TB kexts. I updated OC to latest and all kexts. Does fan control work for you with AMD power gadget with the Phantom Gaming 5? The RPM shows up, just can't change...

l'm not sure how you got "com_uaudio_driver..." to show up or how to insert the devices in Device Properties. My PCI section is only the titan ridge on Mac Pro and Ryzen. For the Mac Pro I just put SSDT-TBOLT3.aml in ACPI in OC folder and enabled with OC configurator. I tried with this machine...

I will, Thanks! I was curious about my Mac Pro 5,1 so I tried the previous methods I used with the Ryzen (the Titan Ridge and custom NVM23). Installed OC 0.6.8, Mac Pro SSDT-TB3. Interestingly It shows up in IOreg, but doesn't show up in PCI.

Sounds good, picking up the board. Which OC version did you use and are there any other steps I need to get the Apollo Twin MKii to recognize that you can remember? Do you use UAD 9.14.1 drivers?

Thanks, I’ll look into the X570 Phantom Gaming 5-ITX/TB3 Did you need to flash the AsRock board?

If the firmware update to the minimum Mojave will handle which is 9.8 doesn’t allow device to be recognized which motherboard should I be considering? I’ll try a few different UAD firmwares next day. Do you know of any X570 motherboards that work well with UAD products like any by AsRock? In...

I would like to know how to revert to the previous UAD firmware. I kept Above 4G Encoding enabled. Since I've tried all the steps that got the Apollo working such as: -Uninstalling all UAD software (and removing UAD items in user/Library/Caches/) -Reset NVRAM - Boot with device off, on, and...

I performed a hardware reset on the UAD Apollo, flashed to TitanRidgeMacOSFirmware.bin, installed card with 2x 6 pin power and shorted TB_C, turned on interface, then booted then warm reboot. Apollo not showing up in IOreg explorer or PCI system info. Also flashed to...

The only thing on the system that changed, since the UAD Twin 2 last worked, was installing UAD drivers and they did update the firmware. Then stopped working after a restart. Hotplug worked before. Do you know if I should try using a MacBook with TB2 to downgrade the Apollo firmware by...

I use Mojave 10.14.6 with OC 0.5.7 The MSI b450 Pro Carbon AC motherboard doesn't have THB_C. The pins 3&5 are shorted from the end of the connector. I may try enabling TbtForcePower.efi driver and then warm reboot, boot from another USB with EFI, and edit it out with propertree to my...

@CaseySJ Hello, I've gotten my MSI B450 Pro Carbon AC with Titan Ridge 2.0 working with a UA Apollo Twin 2 MKII. I modified a Gigabyte B550 SSDT and compiled through from HackinDROM. The only changes I made were PT 20->PT24 and GPP1->GPP2 in the SSDT then compiled and enabled in config.plist...