This is a tool that enables you to debug your BIOS and read (and modify!) every imaginable data, including UEFI variables, ACPI Tables etc. I recently found one more app that might be interesting to some, and thats "Read Universal" or in short "RU". When everything went OK you should see this after selecting the respective entry in Clover: Get into clover configurator, open your standard ist from your boot drive and go to the GUI section. Unzip the file and copy the resulting folder to your EFI Folder, so your path goes like this "/Volumes/EFI/EFI/gdisk-efi" Warning! Install and use this app at your own risk! If you do something wrong here you might nuke your drive(s), so only use that if you know what you are doing. For more Information, see: Īnother app you can use is the UEFI version of gdisk (aka GPT fdisk), which you can use to edit and change your partitions. PS: also noticeably faster and you get also more features with this version than with the older version, for example it does now write a log file. Note that I also used a custom Icon - this is optional - in case you don't you will just see a generic windows icon instead: Now, save and reboot and you should see the newly created entry. If you prefer to do a manual config, add this entry to your ist, under GUI/Custom/Entries: Note: with older Clover versions we had to set this to "Linux", but for now "Windows" is the setting that works. So basically what we do is tell clover where it can find the app, give it a name, and tell clover it is a "Windows" app. Please note while the path you enter is not case sensitive, you must make sure you use the backslash "\" for entering paths, and not a slash. Under "Custom Entries", add an entry like this: That ends the basic setup! Now, we add the correct Menu entry to the clover boot menu, so that we can actually start this app. Now, mount your EFI partition, using Clover configurator.Ĭreate a folder named MemTest86 in the EFI folder on your main drive.Ĭopy all files in the EFI/BOOT folder from the mounted image to your newly created folder. Think in almost all cases we want to use the 64 bit version. The files containing it are the actual app, in 32 and 64 bit versions. Now, you should see a folder named EFI in this volume, containing a folder BOOT. Mount the file memtest86-usb.img within by double clicking again. Open the archive by double clicking on it. This is how to install the UEFI version of Memtest with Clover:ĭownload memtest, I used this link: Image for creating boot-able USB Drive But at least for me everything went flawless.Ĭlover Configurator or some app to edit the ist So, you can actually do stuff like editing, diagnosing, testing certain stuff at the lowest possible system level without booting to any OS.ĭISCLAIMER: Use this guide at your own risk! For educational purposes only! Should do not any harm, but remember you are dealing with rather low level stuff. This is why I see ".efi" files as "apps" because in fact they just are, built on a special kind of API: UEFI. So what may be overlooked sometimes in the whole boot loader discussion is the ability of UEFI to do more than just loading an OS. Updated for newer Clover versions and with additional instructions for more apps: gdisk and RU. Hi there, time for my first guide after asking so many things
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