![]() ![]() For this, simply select "Build and Install OpenCore", it will assemble the configuration and let you choose what firmware-readable partition it should be installed into, we want our internal disk, which already has an appropriate partition due to macOS's own ESP partition. I think it should become clear what happens now, in the same way as OCLP was installed alongside the macOS installer on the USB stick, it will now be installed on the internal disk, this is mostly for convenience, so we don't need to have the USB stick always plugged in to boot into OCLP, and thus our unsupported macOS. Since OCLP is probably only on your USB stick at that point, we now want to install it on the internal disk, you will be offered to open the OCLP graphical interface after installing macOS, or you can just get the app again from GitHub. Keep in mind that you will now see two options, the macOS installer, and the new installation on your internal disk. In the Mac's boot selector you can see the normal installer and OCLP, starting the normal installer will fail since it's not supported, you need to start OCLP first, this will open a screen similar to the boot selector, but it's actually OCLP, here you must now select the macOS installer, which should now work.ĭuring the installation I didn't have to do anything manually since it automatically selected the "right" options, first getting into OCLP, then selecting what needs to be booted into now. When you create a bootable USB stick with OCLP, it first installs the macOS installer onto a USB stick as you would do normally, which already creates the necessary files to boot that installer from a supported Mac, then OCLP is installed alongside this, resulting in both showing up in the boot selection screen. ![]() This means that if the OCLP files are installed into such a partition, they will show up in the Mac's boot selector. Modern EFI compatible firmware can handle multiple ESP partitions, and usually only cares if a partition is formatted in FAT32 (not even if it has an ESP flag). The partitions you can choose are usually EFI System Partitions (ESP) or just a FAT32 partition. When you "Build and Install" OCLP and select a disk/partition, OCLP will get installed into that partition and show up in the Mac's boot selector ( accessed by holding Option while starting the Mac). This entry needs to be booted every time before any unsupported macOS version. OpenCore Legacy Patcher's application (.app) = OCLP graphical interfaceĪn entry called "EFI Boot" is added on the partition where OCLP is installed, booting into this entry does the required modifications to allow the system to then boot unsupported macOS versions/installers via a secondary boot selector. OpenCore Legacy Patcher's background stuff = OCLP Reference: macOS 12.The explanations on the website and this thread are very insufficient, I have some experience tinkering with stuff like this so here is how I understand it:.Install 12.4 or older for full graphics acceleration on Kepler.Avoids lock out of user, however breaks graphics acceleration.Only installs kernel space patches on 12.5 and newer. ![]() Split Kepler userspace and kernel space patches.Xserve3,1 (units with upgraded Kepler GPUs)įull Changelog 0.4.9 Changelog (click to expand).Xserve2,1 (units with upgraded Kepler GPUs).MacPro5,1 (units with upgraded Kepler GPUs).MacPro4,1 (units with upgraded Kepler GPUs).MacPro3,1 (units with upgraded Kepler GPUs).iMac12,x (units with upgraded Kepler GPUs).iMac11,x (units with upgraded Kepler GPUs).macOS 12.4 and older are not affected, and can still be used normally.įor information can be found on the associated issue: macOS 12.5: Nvidia Kepler and WindowServer crashing #1004 0.4.9 will prevent the installation of Kepler acceleration patches, instead only installing basic framebuffer in 12.5. Warning for Macs with Nvidia Kepler: macOS 12.5 breaks graphics acceleration with this build Stay on 12.4 or older if your Mac has a Kepler GPU. See following issue for more info: macOS Ventura and OpenCore Legacy Patcher Support This release is dedicated to bug fixes, no Ventura support is available with this build. ![]()
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