Most modern motherboard BIOS have a feature that allows you to boot from a number of different devices attached to your system. Rather than booting an image of an operating system or a live image of a utility, it make be necessary to boot from a different device. Sometimes it is necessary to use append iso raw. If the filename of your ISO image is long, don't be afraid to rename it to something more convenient to type. Kernel (hd0,0)/boot/memdisk BOOT_IMAGE=SpinRite iso
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The web page for MEMDISK describes how to configure your main bootloader to launch MEMDISK and have it boot your ISO image.įor my Mageia5 Linux system, the lines that are added manually to /boot/grub/menu.lst are as follows for SpinRite.iso as an example.
Then, copy the ISO image you want to boot from into /boot as well. To use it, copy MEMDISK from where your system installs it by default into the /boot directory. Intended primarily to allow you to boot legacy operating systems, it also allows you to boot from floppy disk images, hard drive images and ISO images. NOTE: While I am focusing on Linux systems, SYSLINUX and MEMDISK have MS Windows versions, so with a careful reading of the documents you can do the same thing on a MS Windows computer. While it is a complete boot system, mostly noted for its ability to boot from MS-DOS and MS Windows FAT filesystems, it contains a program named MEMDISK. The special software that allows you to boot from an ISO image on your drive is SYSLINUX. Typically, you have a CD or DVD of that environment, insert it and boot from that.Īssuming that your own system isn't borked, it is possible to use GRUB to load the ISO image and boot from that.