Search -file -no-floppy -set=root /EFI/Microsoft/Boot/bootmgfw.efiĬhainloader ($)/EFI/Microsoft/Boot/bootmgfw.This page describes how to install on an SD card on systems where the BIOS cannot boot from SD (e.g. If there is no windows entry, here is an example: Initrd /intel-ucode.img /initramfs-linux.img #-> if you install ubuntu for example, then you won't need the /intel-ucode.img, and edit the initramfs-linux.img according to what you have on mmcblk2p5 Linux /vmlinuz-linux root=UUID=cb859565-b594-40dd-bc03-c311ae6fbb11 #-> this is the uuid of the partition where the kernel is located (on the internal storage), and edit the /vmlinuz-linux according to what you have on mmcblk2p5 Search -no-floppy -fs-uuid -set=root 2d4ff569-c63f-400f-b2af-2e96beef18b8 #-> this is the uuid of the sdcard partition (find it out by blkid command in linux) When this is ready, you won't be able to boot into the installed Linux, so boot the USB in live mode, and modify the grub.cfg file found on your grub partition (mmcblk2p4) similar to this: After this boot into Linux from USB, install it, selecting the internal storage's partition (mmcblk2p5) for /boot (100-200 mb should be more than enough), and the sdcard's partition (mmcblk0p1) for everything else. (mmcblk0p1)Ĭreate these from windows and install one of the windows grub solutions to your grub partition (mmcblk2p4). And of course partition the sd card as you need. If you want to boot from the sd, I suggest to make at least a grub partition (I'll call it mmcblk2p4 to be more clear, you can check the partition number from linux, running the lsblk command), and the separate partition for /boot on the internal storage (for example mmcblk2p5). Win 10 on the internal storage's 3rd partition (approx 58 gb)Īn ext4 partition for Linux kernels and initrd images (250 mb) Some kind of Microsoft partition (100 mb) It is able to boot from micro sd, you just have to place the kernel files on the internal drive, and point them to the sd partition.
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