lsblkĮnter the command given below to determine if any volumes on the flash drive are mounted. Use the command given below to determine the name for the flash drive. Sudo dd if="$HOME/Downloads/snow leopard install.iso" of=/dev/r$DISK bs=1m If necessary, make the appropriate substitutions. Also, an assumption is made that the identifier is disk2. Here, an assumption is made that the ISO file name is snow leopard install.iso and the file resides in your Downloads folder. diskutil listĮnter the commands given below to create the USB flash drive installer. Use the command given below to determine the identifier for the flash drive. In other words, there is more than one way to create a USB flash drive installer from a Snow Leopard ISO file. This differs from the flash drive created using the Disk Utility, which used the Master Boot Record scheme. Note: This flashdrive will be using the Apple Partition Map scheme. Finally, click on the Restore button in the popup window. In the popup window, select restore from Mac OS X Install DVD, as shown below. Highlight the name Untitled, then click on the Restore button on the top of the Disk Utility application window. Use the Disk Utility application to erase the flash drive, as shown below. Use the Finder application to mount the Snow Leopard ISO file. The Snow Leopard ISO file was the same as discussed in this answer, which should be the same ISO you have linked to in your question. The flash drive needs to be at least 8 GB in size. This was tested using an iMac (21.5-inch, Mid 2011) 2.5 GHz Intel Core i5 with MacOS High Sierra 10.13.6 installed. So the OP should probably try the second method involving the use of the dd command or the third method involving Balena Etcher. User John Mark Harrell's answer confirms this is also true when using Big Sur on an unspecified Mac. The first method, which involves the Disk Utility application, failed to work when tested using macOS Catalina 10.15.7 on an iMac (21.5-inch, Late 2013) 2.9 GHz Quad-Core Intel Core i5. Will require SSDT-AWAC.aml and SSDT-RHUB.amlįor Coffee Lake Plus and Comet Lake and Ice Lake extra aml files are required that are attached, don't forget to add them to your config.Creating a USB Flash Drive Installer from a Snow Leopard ISO Fileīelow are three methods. MacBookPro16,1, or MacBookPro16,3, or MacBookPro16,4 Will require SSDT-AWAC.aml and SSDT-PMC.aml (don't use SSDT-PMC on Comet Lake)Įnable-dpcd-max-link-rate-fix -> 01000000Įnable-max-pixel-clock-override -> 01000000 HD 6000 -> MacBookAir7,1 or MacBookAir7,2įor UHD620 users (Kaby Lake-R), you'll need a device-id spoof:ĪAPL,ig-platform-id -> 0900A53E (for UHD630)ĪAPL,ig-platform-id -> 00009B3E (for UHD620) Once you have reached the macOS desktop, you will need to mount your EFI partition to then copy over your EFI folder from your USB disk. Leave the USB plugged in as you will need to reboot from this a few times while macOS is installing Then you want to erase the drive and start the installation Once you have reached the installer, choose Disk Utility and then click on view and then show all devices It may look like it has frozen in some places, but boot from USB can be slow, so please be patient. Now, boot with your USB stick, the ist has verbose enabled so you can see what is going on. Your hack will not boot with CFG-Lock enabled)ĭVMT Pre-Allocated(iGPU Memory): 64MB or 128MB Thunderbolt(For initial install, as Thunderbolt can cause issues if not setup correctly)ĬFG Lock (MSR 0圎2 write protection)(This must be off, if you can't find the option then enable AppleXcpmCfgLock under Kernel -> Quirks. VT-d (can be enabled if you set DisableIoMapper to YES) ![]() ![]() You will want to make some changes here, if you can change these options: Once you have made those changes, save your ist and reboot your machine into your BIOS. This is currently set to MacBookPro13,1 which is for a Skylake laptop, read post 2 for configurations ![]() Then scroll further down until you find SystemProductName. ![]() (Making sure you have the correct kext in your kexts folder) Building a CustoMac Hackintosh: Buyer's Guide
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