READ THE ENTIRE GUIDE BEFORE ATTEMPTING
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PART A: PREREQUISITES
1: Flash Drive (8GB+)
2: Mavericks Install app or DMG
3: Go to Terminal execute “ioreg -p IODeviceTree -r -n / -d 1”. Record the “board-id” (It should be Mac-XXX)
4: Edited OSInstall.mpkg (Google it)
5: Essential Files
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PART B: PREPARING THE INSTALLATION DRIVE
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1: Obtain a copy of the Mavericks Installer
2: Partition your Hard Drive (you will be installing Mavericks on this drive) and name it “Mavericks” (No quotes). It must be formatted as MacOS Extended (Journaled)
3: Format your flash drive as MacOS Extended (Journaled)
4: Open Terminal and execute “defaults write com.apple.Finder AppleShowAllFiles TRUE”. Execute “killall Finder”
5: Right click on the Mavericks Install app and click on Show Package Contents. Navigate to /Contents/Resources/SharedSupport/ and then mount “InstallESD.dmg”
6: Locate “BaseSystem.dmg” and right click on it and click on “Open with Disk Utility”
7: Select the flash drive and go to the Restore tab. Drag BaseSystem.dmg to the Source and your flash drive to the Destination and click restore (this will get rid of everything on your flash drive so backup if necessary)
8a: Navigate to /System/Installation/ and delete the Packages alias.
8b: Copy the Packages folder from the root of the mounted InstallESD volume to /System/Installation/ in the flash drive (where the alias was)
9a: In the flash drive, navigate to /System/Library/CoreServices/, paste boot.efi here and open “PlatformSupport.plist” with TextEdit
9b: Paste your board-id here (There will be many board-id’s just replace the one at the top with yours)
SupportedBoardIds
INSERT YOUR BOARD-ID HERE
10a: Navigate to (on the flash drive) /System/Installation/Packages/ and open InstallableMachines.plist with TextEdit
10b: Paste your board-id here (There will be many board-id’s just replace the one at the top with yours)
SupportedBoardIds
INSERT YOUR BOARD-ID HERE
11: Navigate to /usr/standalone/i386/ and paste boot.efi here
12: Copy Mach_Kernel to the root of the flash drive
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PART C: INSTALLING
1: Install as you normally would selecting the Mavericks drive and, once done, boot back into OS X 10.6-8 (DO NOT BOOT INTO MAVERICKS YET).
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PART D: POST INSTALLATION
1: Once back into OS X 10.6-8 navigate to /Volumes/Mavericks/System/Library/CoreServices/ and delete PlatformSupport.plist
2: Boot into Mavericks and install the kexts from the System folder provided with Kext Utility (ONLY INSTALL THE GMA 950 KEXTS IF YOU HAVE A GMA 950. IF YOU DON’T ONLY INSTALL AppleHDA, AppleIntergratedFramebuffer, IO80211, and IOAudioFamily)
3: Reboot and enjoy
CREDITS:
tiamo for efi32, cVad for Kext Utility, and Rastafabi for the Mach_Kernel