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[GUIDE] Injection of AMD Vega Power and Fan Control Properties

Joined
Jan 22, 2020
Messages
121
Motherboard
AORUS Z390 Master
CPU
i9-9900K
Graphics
RX 6900 XT
Classic Mac
  1. Power Mac
Mobile Phone
  1. iOS
Such a procedure can run the risk of bricking the card if you mess it up or use the wrong firmware, that being said there are many posts in this and other threads from users who have successfully flashed their Vega GPU with a reference VBIOS and gained control of fans under MacOS.

Isn't it possible to load a vbios with Chamaeleon or WhatEverGreen?
I think I have read something about it.
 
Joined
Sep 21, 2010
Messages
169
Motherboard
ASUS PRIME Z390-A
CPU
i7-9700K
Graphics
Vega 64
I stopped using the injection ever since macOS embedded the Vega 64 drivers, but this problem has recently resurfaced for me with Big Sur. I'm on 11.6 with Open Core 072 and instead of the fan remaining consistent at a low RPM it's now spinning down to zero and then spinning up to a high, loud RPM when it hits a temp threshold. Is anyone else experiencing this on Big Sur with a Vega 64?
 
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