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Hi Edhawk, Thank you very much for all your explanation. Yes, indeed this will not be a problem for the original mac's. The problem is that I can put the disks correctly on the motherboard, and even show the order well in the system information, but in practice, the way it mounts the disks in...

Hello, I have done quite a bit of research on the subject, without finding hardly anything talking about the topic, and even less, solutions. I have several internal drives, from Nvme in PCI-E slot, Nvme M2 on board, 4 drives in sata ports on board and 2 more drives in gsata on board (Marvell...

Here the same thing happens. In Catalina since I don't have HVEC support, as long as I don't open Quicktime, the Vega 56's PM works perfectly. In Big Sur, HVEC is active, so the RAM memory stucks always at maximum. I already tried with the correct smbios for my processor, imac15,1 EGPU + IGPU...

Here everything is ok, except the graphics card that is always has a maximum memory of 800mhz. Anyone else with the same problem?

Hi mattystonnie, I am using your SSDT patch for Vega 56 v2.3 in opencore 0.6.1. I am not getting improvements on the benckmark, what could I be doing wrong? I notice that my card's power management is not doing well. In idle the card's memory is always at maximum 920mhz. I send my EFI folder...

It's very similar around here. When the mac starts up everything is fine, after opening a video it is the same as yours. Idle at 920mhz and when I open a video it goes down to 500mhz. I thought that it could be some bad configuration, but I already tried to format and it remains the same. I no...

Thanks for the detailed explanation. :) I will hope that another user with Vega 56 and iMacPro 1.1 smbios, can help me if the same happens to him. Enter the system and the memory is at 500mhz, all ok, but as soon as I open a video either on the finder or on youtube and close it, it goes to...

Thank you very much. I did the test with ImacPro 1.1 (with CPUFriend and no SHIKIGVA) and it is curious to get more Score in the metal geekbench5, 53000 VS 50000 in Imac15,1 + IGPU. On the other hand the GPU on the Imac 15.1 in idle is 500MHZ (memory), cooler and using less Watts. In ImacPro 1.1...

And which you recommended? ImacPro 1.1 Smbios with GPU only, or Imac 15.1 GPU + IGPU with SHIKIGVA = 16??

I found the problem. I was using shikigva=128, which activates the H265 by hardware on VEGA on VideoProc. It turns out that whenever I watch a video, the memory gets stuck at 920MHZ, and it only goes back down when I watch another video, but as soon as I turn it off it goes back to 920MHZ. Is...

I apologize for my bad English. I didn't explain myself well. I intend to overclock, of course, but through the VGTab app I felt that at the fan level, it didn't work the best way. So I solved the PowerPlayTable mode directly in OpenCore, with adjustments for the fan control that apparently...

Hello Jaymonkey, Try using the PowerPlayTable method. I created the kext file with VGTab, and then modified it based on the excell file provided by a user of this post, so that I can tell when the fans connect, and disconnect. Apparently everything works fine, temperatures, clock, fan, etc...

Does anyone know how to configure the fan to turn off completely until reaching the target temperature? 50 degrees for example. I always have my fan at 123rpm + -, and when it goes over 50 degrees it increases. EDITED: After all the fan stops, only HWMonitor does not give that correct indication.

I've already managed to turn on the WATTS measurement again. I changed the plist of kext Vega, from 1 to 0. <key> PP_DisablePowerContainment </key> <integer> 0 </integer> I noticed that after this change, I lost the total overclocking 1663MHZ that I had previously, and was left with only...

I stopped using VGTab for some time, but today I tested it again with the file I had previously created. Everything works well overclock, downclock and the temperatures are good. Only missing was the information from the WATTS that the plate is consuming, both in the Istat menu and in the...

Thanks for the quick response. Yes, I also had this idea, that it was better to have the correct SMBIOS, that's why I wanted to change. My problem is not with DRM, because in fact I don't even use it, but with the fact that maybe in the initial version 10.5, there was H264 + H265 through IGPU +...

Here with Z97 I7 4790K + Vega 56, everything worked apparently well with SMBIOS 1.1. Sometimes, rarely, the system goes down of nowhere, or wakes up from sleep unexpectedly. I think it is better to have a correct SMBIOS for my system, SMBIOS would be 15.1, correct? When I try to use the 15.1...

I have the SMBIOS iMacPro 1.1 with the Vega 56. I have H264 and h265 through the graphics, but when I turn on the sidecar the screen on the ipad is all black !? Solutions? Regards

I changed SMBIOS to imacpro 1.1 and turned off the IGPU. It return H264 and H265, but the VGTab is not working well. It allows to increase the graphic clock, but it does not leave the target temperature and I can not put the 800 rpm in IDLE. Is it giving?

Same here after upgrade to 10.14.5. After updating, lose H265, purple stripes on boot, benchmark drop from 203000 to 143000 and the kext VGTab does not work the same, it adjust the MHZ from the memory, but it does not affect the fan rpm etc. SMBIOS 14.2 + I7 4790K + VEGA 56 (Sapphire) + IGPU