This is very useful for doing lots of firmware updates on lots of machines. In this example, if you type in 'dos2' and press return, a FreeDOS bootdisk will be loaded over PXE. 'plop' over PXE might be another useful option - your mileage may vary. In this example 'dos', 'dos2', 'memtest86' and 'linux' are your options. In this case, you can modify the PXE section in /boot/pxelinux.cfg/default, for example:Įxplanation: 'Prompt 1' means you can actually type something in on the PXE-booted machine, and thus select what you want to load over PXE. Sometimes, booting DOS over PXE is very convenient, for example, when you have to do 100 Firmware DOS updates on 100 computers and you do not want to run to every computer with a floppy disk and boot from that disk. Note: use APPEND initrd=/boot/freedos/balder10.imz if you did not decompress the image in step 4. Add any DOS programs there that you need for your DOS boot disk (I use WINE and TotalCommander for this task)ĥ) Edit your /boot/syslinux/porteus.cfg file to add the following section: You will get a file called 'balder10.img'.

mnt/sdb1/boot/freedos - replace sdb1 with the storage media where you have Porteus installed) Now, go to /mnt/loop/boot/addons and copy the following files from that directory to your /boot/freedos directory:Ĥ (Optional) decompress the balder10.imz.

#this mounts the ISO image on a loop, at /mnt/loopģ) Create a directory inside the /boot folder of your Porteus installation, called 'freedos' (e.g. To mount the ISO, run the following commands: Any version will do, for example: grml64_2010.04.isoĢ) Mount the ISO so you can copy the needed files. It only needs 'memdisk' (20.068 bytes) and a DOS image called 'balder10.imz (or img)' which is the size of a floppy disk (1.4 MB).ġ) Download the GRML ISO from. * Firmware updates for your Harddisk, CDRom, VGA-Card, etc.įreeDOS is already being used in the Linux distro GRML ( ), that is where I got it. Having FreeDOS is very useful when it comes to running (maintenance) programs that only work with DOS, for example: FreeDos ( ) is a free DOS-compatible operating system.

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