Awesome! Thanks Tony!
On Wed, Jun 29, 2022 at 4:52 PM Tony Richardson <richardson.t...@gmail.com>
wrote:
> Louis,
> Sure. The output is:
>
> Device Boot Start End Sectors Size Id Type
> /dev/sda1 * 2048 1023999 1021952 499M e W95 FAT16 (LBA)
>
> Regards,
> Tony
>
> On Wed, Jun 29, 2022 at 1:07 AM Louis Santillan <lpsan...@gmail.com>
> wrote:
>
>> Tony,
>>
>> In your Linux VM, could you give the output to `fdisk -l /dev/sda`?
>>
>> Thanks
>>
>> On Sat, Jun 4, 2022 at 7:54 AM Tony Richardson <richardson.t...@gmail.com>
>> wrote:
>>
>>> I wanted to use GRUB to boot FreeDOS. (I wanted to use it so that I
>>> could dual-boot FreeDOS and RTEMS, but others may have different reasons.)
>>> It is a relatively short procedure so I thought I would contribute it to
>>> the mailing list in case others might be interested. I installed FreeDOS in
>>> a VirtualBox virtual machine, but the procedure should work on other
>>> virtual or physical machines. The FreeDOS fdisk does not leave enough space
>>> before the first partition to install GRUB, so I used a Linux SystemRescue
>>> CD (system-rescue.org) to partition the (virtual) disk. This CD has
>>> all of the tools necessary to partition the drive, format the disk and
>>> install GRUB.
>>>
>>> 1) In VirtualBox create a new 64-bit Linux machine with a 500 MB
>>> vdi-type drive (FreeDOS.vdi). Configure the machine to boot off of the
>>> SystemRescue CD image. (I had to give the machine 2 GB of memory to boot
>>> the CD. The default 512 MB would not allow the machine to boot.)
>>>
>>> 2) Boot the new machine and create a new maximum size primary partition
>>> on the virtual drive (/dev/sda). Change the partition type to 0x0E (a
>>> Win95 LBA mapped partition).I use Linux fdisk (enter "fdisk /dev/sda") to
>>> do this, but you can use any of the other disk partitioning tools on the CD
>>> (gparted is a graphical partitioning tool).
>>>
>>> 3) Format the new partition by entering "mkfs.msdos /dev/sda1" (You
>>> can alternately format the partition as part of the FreeDOS installation.)
>>>
>>> 4) Halt the Linux machine. (Choose the "Power off the machine" option.)
>>>
>>> 5) Create a new FreeDOS virtual machine. Choose to use an existing
>>> virtual hard disk and attach the FreeDOS.vdi disk. Boot the machine from
>>> the FreeDOS live image. Choose the "Install to Harddisk" option from the
>>> boot menu. Install FreeDOS. You should be able to boot off the harddisk
>>> into FreeDOS at this point.
>>>
>>> 6) Halt the FreeDOS virtual machine.
>>>
>>> 7) As part of the installation the FreeDOS master boot loader is
>>> installed. We need to rewrite this with GRUB, so restart the Linux machine.
>>>
>>> 8) Mount the new partition using "mount /dev/sda1 /mnt"
>>>
>>> 9) Install Grub by entering "grub-install --boot-directory=/mnt/boot
>>> /dev/sda"
>>>
>>> 10) Create a file named "grub.cfg" in the /mnt/boot/grub directory with
>>> the following contents:
>>> menuentry "FreeDOS" {
>>> insmod chain
>>> set root=(hd0,1)
>>> chainloader +1
>>> }
>>>
>>> 11) Halt the Linux machine.
>>>
>>> You should now be able to boot the FreeDOS machine off of the hard
>>> disk. You should see the GRUB boot menu first now. You can modify the
>>> GRUB menu by editting the grub.cfg file in the C:\boot\grub directory. You
>>> can delete the Linx machine, but do not delete the files associated with
>>> the machine or you will lose your FreeDOS drive. You can move the
>>> FreeDOS.vdi file if you want but you will need to play around with the
>>> VirtualBox Media Manager to make it available to FreeDOS after the move.
>>>
>>> Tony Richardson
>>>
>>> _______________________________________________
>>> Freedos-user mailing list
>>> Freedos-user@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/freedos-user
>>>
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