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Showing content with the highest reputation on 06/22/2019 in Files

  1. Version 10.15.x

    6,975 downloads

    Patched OSInstaller.framework to allow macOS 10.15 installation on MBR HFS+ partition. Please read Readme-10.15.pdf first. How to finish the Catalina installation. 1. Use EasyMBR-Installer1015 to make USB Catalina Installer. 2. Boot to USB Catalina Installer, open Utilities -> Disk Utility, format as MBR HFS+. Install Catalina to blank MBR HFS+ "Target" partition. 3. Boot to USB Catalina Installer, open Utilities -> Terminal, run the script command: copytempdata 4. Boot to "Target" MBR HFS+ partition on single user mode (-s), run the script command: hfsupdatecache 5. Reboot to "Target" MBR HFS+ partition, setup user name and login, finish the installation. Also, you need to setup Clover as BooterConfig=0x28, CsrActiveConfig=0x67 ---------------------------------------------------------------------------------------------- List of known issues: 1. Some app-pkg-installers can't install to HFS+, but install to APFS fine. ---------------------------------------------------------------------------------------------- What is this patched OSInstaller doing? 1. Pass the MBR check, allow macOS 10.15 installation on MBR partition. 2. Pass the Firmware check, bypass the error of "An error occurred while verifying firmware". 3. Pass auto-convert to APFS , "ConvertToAPFS=false" is no longer worked with 10.15. 4. This MBR-Manual-Method will never convert to APFS, and will always install as HFS+ partition. 5. This MBR-Manual-Method works with both MBR HFS+ and GPT HFS+ partition (GPT+recovery). No longer need to set new SMbiosversion, FirmwareFeatures, and FirmwareFeaturesMask with this MBR-patch. What's the difference between createinstallmedia method, MBR-Manual-Method, and MBR-Automatic-Method? As the following.... 1. createinstallmedia method, needs stage 1, stage 2 installation process, which is worked with GUID partition only, always convert to APFS format. 2. MBR-Manual-Method (same as 10.12), install via stage 2 manually, which is worked with both MBR HFS+ and GUID HFS+, will never convert the partition format. We can manually format as MBR HFS+ or GPT HFS+ on installation screen like as 10.12. We can manually select MBR HFS+ partition to install 10.13, 10.14, 10.15 on installation screen now. Needn't to update the MBR-Manual-Method files, it will still work on 10.13, 10.14, 10.15 future versions, I think so. It can be installed as Fresh installation on formated blank partition only, but can't be installed as update from previous version. 3. MBR-Automatic-Method (new for 10.13+), End of MBR and HFS+, there is no more MBR HFS+ patch available for 10.15 native OSInstaller. How to make 10.15 installer for MBR (MBR-Manual-Method)? Just use EasyMBR-Installer1015 to make installer, it works with both MBR and GPT. Read HowTo inside the dmg first, same as 10.12. Read HowTo Q/A Q4. How to patch to work with CPU SSE4.1 only for Mojave, Catalina? Read HowTo Q/A Q6. How to download the full installer app via swscan.apple.com, instead of App Store? Read HowTo Q/A Q7. How to update 10.15.x combo-update to MBR and GPT with installScript directly? And, need a SMBIOS supported with /System/Library/CoreServices/PlatformSupport.plist. Q6. How to download the full installer app via swscan.apple.com, instead of App Store? A6. Some people download installer app from App Store, and get only 18 MB size, not the complete installer app (5.68 GB). You should boot to 10.12, or 10.13 to download it again from App Store, or use script Q6-DownloadFullApp/installScript_fullapp to download the full installer app via swscan.apple.com.
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