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Enabling AMD RX 4XX cards in Sierra.

Joined
Apr 13, 2017
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I hooked a cheap tiny old 4:3 monitor from 12 years ago up to IGPU and disabled it in Windows. When I reboot, Clover is on the second monitor, and then when the PC is running it just runs a black screen and I can turn it off.
I was thinking of doing this but I really don't have the desk space and I don't have anywhere else convenient enough to put another monitor. :(
 
Joined
Mar 16, 2017
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Gigabyte Z390 Designare
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i7-9700K
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Hi, i would need help to be able to use my MSI RX 480 as the main graphics card. On my X99 motherboard I have a Sapphire HD 5450 graphics card on the third PCI Slot x8 as a clover boot connected to a monitor via HDMI and an RX 480 on the first x16 PCI Slot (this can be used to use the RX at maximum speed) connected to the same Monitor via DP. I tried setting the Clover GUI at 1920x1080 but at startup I always have two screens, HD5450 as main and RX480 as an addict. Is there a patch for that?
Thank you.
 
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Hey, I followed this guide and now I can't boot in normal mode.
Anyone can please tell me what to do? ^^
 
Joined
Mar 16, 2017
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Great! I do not know how to thank you. If you disable the main monitor (HD5450), the other (RX480) becomes the main one with all features, icons, and notifications.
Only one thing I would like to ask you, can you permanently set this feature when i start the mac? Or, does the HD5450 card automatically turn off as an automation? This card is just for booting and I would not slow down the heaviest applications like Finalcut.
Thank you.
 
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waiting for 10.12.5 update guides anyone has it running ?
I have been attempting it with no success so far. I do know that the pciid strings have been deleted from the AMD9510Controller.kext and the AMDRadeonX4100.kext files so those will need to be reentered
 
Joined
Feb 6, 2010
Messages
31
Motherboard
MSI P55-GD65
CPU
X3480
Graphics
RX 480
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  1. iMac
  2. MacBook Pro
  3. Mac mini
  4. Mac Pro
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  2. Xserve
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Only one thing I would like to ask you, can you permanently set this feature when i start the mac?
Create text file (for example "MyScript.sh") with bash script:
Code:
#!/bin/bash
/Applications/DisableMonitor.app/Contents/MacOS/DisableMonitor --disable YourMonitorID
Fix permission to execute it with the following command:
Code:
chmod 711 MyScript.sh
And add it to startup items.
Don't forget to drop DisableMonitor.app to Applications folder
 
Joined
Feb 6, 2010
Messages
31
Motherboard
MSI P55-GD65
CPU
X3480
Graphics
RX 480
Mac
  1. iMac
  2. MacBook Pro
  3. Mac mini
  4. Mac Pro
Classic Mac
  1. Power Mac
  2. Xserve
Mobile Phone
  1. iOS
waiting for 10.12.5 update guides anyone has it running ?
Nothing new since 10.12.4, just install most recent version of Clover

I do know that the pciid strings have been deleted from the AMD9510Controller.kext and the AMDRadeonX4100.kext files so those will need to be reentered
Only 68EF in 9510 and 68E0/FF/EF in 4100

Screen Shot 2017-05-19 at 00.55.11.png Screen Shot 2017-05-19 at 01.06.54.png Screen Shot 2017-05-19 at 01.11.56.png
 
Joined
Sep 20, 2012
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217
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Gigabyte z390 Aorus Ultra
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i9-9900K
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amd vega64 frontier edition 16 gb, amd RX 480
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  1. Android
  2. iOS
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