![]() Mojave Installation DMG File is used in this example. To find SMC rom files, you need to have a bootable dmg file for OSX. Note the board ID from the SMC firmware you need, it will be used to extract the right SMC firmware files. Here is the list of BoardID for almost all Macs. : The BoardID is different from the board number, the A number, the part number. ![]() You just need to add it to a "tools" folder on the USB key. A link to a shell.efi file will be provided. If you want, you can use the provided “rEFIt.icns” icon as a volume icon.The path in Terminal will be different, for example “/Volumes/MyUSB/efi/refit” if the volume is named “MyUSB”. Run “enable.sh” inside the “efi/refit” directory.Copy the “efi” folder to the root of the volume.Installation procedure is basically the same as explained above: We recommend to install it on a separate volume or external disk is explained on the website: REFIt will help you boot an EFI on an external drive to launch the shell, SMCutils and other stuffs. ![]() Gathering the stuff we need Installing rEFIt on a bootable drive Other tools exist and terminal command can be used to do this as well. Same, you need the right version that will work on a Mac. A link will be provided, or a way to find it. We recommend a not too recent installer, which has SMC firmware in a 3 files format (Base, App and Update file). In order to extract the SMC update files. It will contain reFIt, to boot on EFI, a shell and tools to flash We will boot the Mac and force flash in EFI
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