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[Guide] Catalina on Optiplex 9020 SFF w/ RX550

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Joined
Nov 27, 2019
Messages
41
Motherboard
Dell Optiplex 9020
CPU
i7-4790
Graphics
RX 550
Mac
  1. MacBook
Classic Mac
  1. iBook
  2. PowerBook
Mobile Phone
  1. iOS
I have the computer connected to a KVM switch. Audio is done via USB adapter. Not pretty, but working (would not pass the test of anyone with proper ears as there are some hissing noises etc, but it is ok for my purposes).
 
Joined
Jun 1, 2018
Messages
30
Motherboard
Dell Optiplex 9020
CPU
i5-4590
Graphics
HD 4600
I have the computer connected to a KVM switch. Audio is done via USB adapter. Not pretty, but working (would not pass the test of anyone with proper ears as there are some hissing noises etc, but it is ok for my purposes).
Install voodoo hda it is working nice.
 
Joined
Jun 25, 2020
Messages
1
Motherboard
Asus Z170-A
CPU
Intel i5 6500
Graphics
MSI Radeon RX 550 2 G
Mac
  1. MacBook Pro
Classic Mac
  1. 512K
  2. Performa
I don't remember completely, but faking it as a Sapphire RX550 is done via adding device properties and Whatevergreen.
Check config.plist Device Properties/Add for a long device/pci path. The device property entry should have a model string mentioning "RX550", and a few other fields that should be self explanatory. Let me know if you need any help!

Oh my gosh, thanks so much for this post! I ordered an RX 550 off ebay and was struggling to get the right support for it, and using your PCI stub got it to work perfectly! Working in Logic Pro was difficult because for some reason the playhead was not rendering.... but it does now!
 
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