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# Opencore-Steam-Deck
![image](https://github.com/user-attachments/assets/7d3877d3-b9c4-4c05-a999-4d8caf38b596)
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.
@ -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:
**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.
@ -37,6 +41,7 @@ In the end, you should have two files in the ACPI folder:
1. SSDT-CPUR.aml
2. SSDT-EC.aml
**Firmware Drivers**
You only need two 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.
**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.
**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*
@ -64,6 +71,7 @@ Make sure you have these Kexts in your kexts foldler:
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**
After nabbing the sample.plist from the opencorepkg -> docs folder, moving it to your OC folder and renaming it config.plist, follow the steps in that [Ryzen and Threadripper portion of the guide](https://dortania.github.io/OpenCore-Install-Guide/AMD/zen.html) with just a few variations:
@ -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.
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.