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macOS Mojave 10.14.6 Coffee Lake i7-8700 (no Quick Sync - disabled in BIOS) Final Cut Pro 10.4.3 Radeon Pro 580 Sapphire Pulse 8GB 16 GB RAM BruceX Test 5K - 9.5 seconds (NOTE: VideoToolbox GPU acceleration ENABLED with iMacPro1,1 SMBIOS)

Keeping this post alive, I am picking up an Ivy Bridge with a GTX 770 today, hopefully it is the 2GB model, I am looking forward to trying this patched BIOS as well...

Thanks for the very interesting work... I just tried out the SSDT for RX580, and got the following results (before and after sleep)... Before SSDT: OpenCL: Metal: After SSDT: OpenCL: Metal: So overall, a very mediocre increase in performance... but GPU die temp has come down...

Hey ramsin64, I am in a similar boat (although I installed Mojave 10.14.6 onto B85M-e45 MSI + i5-4460 + RX 560 4GB), if I put the computer to sleep, I need to use power button to wake computer, and then accelerated graphics do not work (but unaccerated graphics work) -> sigh If you find...

5 years late, but I hacked my Gigabyte B75M-D3H with Yosemite and Sierra/High Sierra... I updated the system before Mojave was released, but it should still work. (SMBIOS 12,2 then 14,2 when black screen issue appeared).

I have somehow lost H.264 Radeon RX 580 accelerated encoding/decoding under 10.14.5 with iMacPro1,1 SMBIOS and Dummy141.kext ??!! I just tested transcode with Handbrake 1.2.2 and it is using CPU only?! Any help appreciated.

Never mind... I was using 1.2.0, Video Toolbox introduced in 1.2.2 - updated Handbrake and now TWICE as fast !!!

I have an interesting situation, I have hardware encoding/decoding active as shown... I tried a few test encodes (H.264) full movies via HandBrake, and each movie took ~17min (YaY). I did some more recently, and encode time is now ~35min (BoO) Do you need to paste those two Terminal lines...

I have Coffee Lake + RX 580. I changed SMBIOS to iMacPro1,1 and installed dummy141.kext to /EFI/Clover/kexts/Other/ I have DGPU accelerated 10-bit HEVC decoding, using VLC Media Player, it barely shows anything under Activity Monitor... If you cannot use the SMBIOS for any reason, you can try...

Tried both auto and videotoolbox, HEVC still software decoded :-( Tried three H.264 videos, only two decoded with hardware: Using hardware decoding (videotoolbox). VO: [opengl] 1920x800 videotoolbox[nv12] (NOTE: the first video may not have been H.264!!)

Ummm, never mind... VLC Media Player did the trick :) With MPV it looked more like this: PS. Do I need to type in defaults write com.apple.AppleGVA forceATI -boolean yes at every boot, or does this setting stick? Is there a way to automate this if the setting isn't saved?

Hi Everyone, a bit late to the party here, but I am using release version of macOS 10.14.4 with iMacPro1,1 SMBIOS and RX 580 8GB, and have hardware encoding working with dummy141.kext only (and PEGP to GFX0 in Clover). ./VDADecoderCheckerSierra Hardware acceleration is fully supported also...

If you enable Legacy Boot, install Legacy Clover to MBR formatted JHFS+ internally, you should be able to boot from internal drive using Legacy!!!

Ummm, those CPU frequencies seem a tad high for Hardware transcoding?

SMC. Are you using FakeSMC.kext or VirtualSMC???

I have reverted back to default (no DSDT), but my original untouched files, and my 16 bit patch files are still attached in my previous few posts... It is totally beyond my scope of experience, but if I can't even correctly do the 16 bit patches, I will never accomplish 96bit or 128 bit :-( If...

I followed your patching guide... only 4 errors out of 12+21 patches... I'm sure the offending "non existent" objects are still defined at the beginning of the file?! I don't know which way to go now :-/ I am also struggling with an install onto Gigabyte H370-HD3, so I am operating on about...

Never mind... I have managed to kill sleep, Bluetooth after sleep and touchpad :-( Even with battery status working, this is less than useless... I will try a few things tomorrow, but if I cannot make any headway, I will revert to a backup EFI folder and at least have a working system apart...

I have commented out the offending sections and now have battery percentage of a sort... it does not seem to update until you click in the menubar or open the prefpanel (Energy Saver). Auto-Dim works, as does the beep and restore brightness on re-plugin :-) Let me try ABM_firstpolldelay=16000...

4 Compile Errors... Object does not exist?! 12 registers patched 21 methods patched These are only the 16bit registers - I have one of each 32, 64, 96 and 128 bit registers/methods to patch for completion. Please see attached for details and patchfiles I created. Many thanks for pointing me...