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# Opencore-Steam-Deck # Opencore-Steam-Deck
![image](https://github.com/user-attachments/assets/7d3877d3-b9c4-4c05-a999-4d8caf38b596)
An opencore EFI configuration for the Steam Deck An opencore EFI configuration for the Steam Deck
This is a guide targeted at getting users to run macOS bare metal on their Steam Decks. This is a guide targeted at getting users to run macOS bare metal on their Steam Decks.
@ -26,6 +29,7 @@ For the most part, you will follow the steps in the opencore guide, so make sure
As you are following the guide and get to the [Gathering Files](https://dortania.github.io/OpenCore-Install-Guide/ktext.html) portion, you will want to have these files for the Steam Deck: As you are following the guide and get to the [Gathering Files](https://dortania.github.io/OpenCore-Install-Guide/ktext.html) portion, you will want to have these files for the Steam Deck:
**APCI** **APCI**
For this, you are going to want to download a tool called [SSDTTime](https://github.com/corpnewt/SSDTTime). Running this tool, you are first going to choose option **P** to dump you DSDT. Then you are going to select option **3** to make a SSDT-EC.aml. It should be in the resaults folder. Copy this to your EFI -> APCI folder, as per the OpenCore guide instructions. For this, you are going to want to download a tool called [SSDTTime](https://github.com/corpnewt/SSDTTime). Running this tool, you are first going to choose option **P** to dump you DSDT. Then you are going to select option **3** to make a SSDT-EC.aml. It should be in the resaults folder. Copy this to your EFI -> APCI folder, as per the OpenCore guide instructions.
@ -36,6 +40,7 @@ In the end, you should have two files in the ACPI folder:
1. SSDT-CPUR.aml 1. SSDT-CPUR.aml
2. SSDT-EC.aml 2. SSDT-EC.aml
**Firmware Drivers** **Firmware Drivers**
@ -46,10 +51,12 @@ You only need two firmware drivers:
Everything other than these two .efi files be trashed. In fact, I recommend that you trash all the extras (there are alot) so the boot menu for opencore isnt a condusing mess. Everything other than these two .efi files be trashed. In fact, I recommend that you trash all the extras (there are alot) so the boot menu for opencore isnt a condusing mess.
**Tools and Resources** **Tools and Resources**
Just drag the tools and the resources folders to the trash. Yes im serious, we dont need them right now, just get rid of them. Just drag the tools and the resources folders to the trash. Yes im serious, we dont need them right now, just get rid of them.
**Kexts** **Kexts**
*Note: Kexts with look like regurlar folders with .kext at the end on Windows and Linux. Just get the folders with the .kext at the end, these are what you want* *Note: Kexts with look like regurlar folders with .kext at the end on Windows and Linux. Just get the folders with the .kext at the end, these are what you want*
@ -63,6 +70,7 @@ Make sure you have these Kexts in your kexts foldler:
5. For USBMap.kext, you can make your own with the [tool](https://github.com/USBToolBox/tool) with REQUIRES Windows and DOES NOT support linux, or if you dont have Windows, you can use [this](https://github.com/CodeRunner5235/Opencore-Steam-Deck/blob/main/UTBMap.zip) map which *should* work, but dont be supprised of it stops working 5. For USBMap.kext, you can make your own with the [tool](https://github.com/USBToolBox/tool) with REQUIRES Windows and DOES NOT support linux, or if you dont have Windows, you can use [this](https://github.com/CodeRunner5235/Opencore-Steam-Deck/blob/main/UTBMap.zip) map which *should* work, but dont be supprised of it stops working
6. [AppleMCEReporterDisabler.kext](https://github.com/acidanthera/bugtracker/files/3703498/AppleMCEReporterDisabler.kext.zip) is only needed for macOS versions newer than *but not including* Big Sur. 6. [AppleMCEReporterDisabler.kext](https://github.com/acidanthera/bugtracker/files/3703498/AppleMCEReporterDisabler.kext.zip) is only needed for macOS versions newer than *but not including* Big Sur.
**Config.plist** **Config.plist**
@ -72,7 +80,7 @@ After nabbing the sample.plist from the opencorepkg -> docs folder, moving it to
2. For your AMD patches under the Kernel, the Steam Deck uses **4 cores** and 8 threads, so you will want to use 4 in your AMD patches. 2. For your AMD patches under the Kernel, the Steam Deck uses **4 cores** and 8 threads, so you will want to use 4 in your AMD patches.
3. Under Kernel -> Quirks, we have a USB map so make sure to**disable** the XhciPortLimit 3. Under Kernel -> Quirks, we have a USB map so make sure to **disable** the XhciPortLimit
4. Under Misc -> Security, set SecureBootModel to Disabled to make life easier. 4. Under Misc -> Security, set SecureBootModel to Disabled to make life easier.