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Zen 4 PCI Bus Enumeration Patch for Ventura #196

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merged 2 commits into from
Feb 4, 2023
Merged

Zen 4 PCI Bus Enumeration Patch for Ventura #196

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fbde7cd
Add PCI Bus Enumeration Patch for Ventura
CaseySJ Feb 4, 2023
c1dfe6f
Updated README file
CaseySJ Feb 4, 2023
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6 changes: 5 additions & 1 deletion README.md
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Expand Up @@ -81,6 +81,10 @@ The choice is yours. Don't try to use them both at the same time.

Both `mtrr_update_action - fix PAT` patches are not required on TRX40 systems. Disabling them will result in GPU performance improvements. Test this configuration on a USB drive first in preparation for the unlikely event that something goes wrong. Proceed at your own risk.

## Information on the Fix PCI bus enumeration patch

On AM5 motherboards with on-board Thunderbolt/USB4 (e.g. Asus ROG Crosshair X670E Hero, Gene, Extreme; Asus ProArt X670E-Creator), macOS Ventura may not enumerate devices on the PCI bus properly when on-board WiFi and on-board Thunderbolt are both enabled. This patch bypasses the problem. This patch is disabled by default.

## Supported macOS versions

- macOS High Sierra (10.13)
Expand Down Expand Up @@ -123,6 +127,6 @@ Do not ask for support on GitHub.

- [Acidanthera](https://github.com/acidanthera) for OpenCore.

- [CaseySJ](https://github.com/CaseySJ/) for Zen 4 IOPCIFamily patch.
- [CaseySJ](https://github.com/CaseySJ/) for Zen 4 IOPCIFamily patches.

- Sinetek, Andy Vandijck, spakk, Bronya, Tora Chi Yo, [Shaneee](https://github.com/Shaneee) and many others for sharing their AMD/XNU kernel knowledge
30 changes: 30 additions & 0 deletions patches.plist
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Expand Up @@ -661,6 +661,36 @@
<key>Skip</key>
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</dict>
<dict>
<key>Arch</key>
<string>x86_64</string>
<key>Base</key>
<string>__ZN17IOPCIConfigurator18IOPCIIsHotplugPortEP16IOPCIConfigEntry</string>
<key>Comment</key>
<string>CaseySJ - Fix PCI bus enumeration on AM5 - 13.0</string>
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<integer>1</integer>
<key>Enabled</key>
<false/>
<key>Find</key>
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<key>Identifier</key>
<string>com.apple.iokit.IOPCIFamily</string>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>MaxKernel</key>
<string>22.99.99</string>
<key>MinKernel</key>
<string>22.0.0</string>
<key>Replace</key>
<data>hNvrS0GLVzg=</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
</dict>
</array>
</dict>
</dict>
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