Hi,

> On Oct 14, 2024, at 11:41 AM, Felix Miata via Freedos-user 
> <freedos-user@lists.sourceforge.net> wrote:
> 
> 
>> 
>>> On Mon, Sep 30, 2024 Daniel Doran wrote:
>>> I got an Nvidia GeForce 2 MX AGP graphics card (256MB RAM), it’s in my 
>>> Compaq Presario 6207EA PC. FreeDOS won’t boot with it installed, it  just 
>>> freezes. However, I know the card is good as Haiku OS loves it, not only 
>>> does it work but it gives me accelerated graphics on Haiku OS 32-bit… so I 
>>> know the card is good. Anyone know why FreeDOS doesn’t like it?
> 
> FWIW, I have a Dell Optiplex GX270 with GeForce 2 MX AGP booted from the 
> FreeDOS
> 1.2 installation CD I created quite some years ago. I'd like to install it to
> sda2, but the welcome screen is scary. What happens exactly when I choose to
> proceed? Does it presume I wish to install to the whole disk and wipe out the
> current partition table and 20+ Linux installations on sda?
> --
> Evolution as taught in public schools is, like religion,
>    based on faith, not based on science.
> 
> Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
> 
> Felix Miata

As with anytime you install an Operating System, make sure you have a good 
backup! Especially, your boot sector. A great freeware tool for backing up 
partition information and boot code is MBRTOOOL which I have mirrored on my 
server at https://fd.lod.bz/redist/disk/MBRtool/

First, the installer looks to see if there is a partition type available that 
can be used by FreeDOS. If so, it proceeds to the next step. If not and the 
disk is empty, it will attempt to create one. If that is not successful or the 
drive is not empty, it will launch FDISK for you to create one. If a partition 
is created or FDISK is launched, it will reboot the system.

Once a usable partition exists, the installer will check if it is formatted. If 
so, it proceeds to the next step. Otherwise, it will quick format the 
partition. 

After a partition exists and is formatted, it installs the selected package set 
to the hard drive.

It then transfers system boot files and updates the boot code.

For FreeDOS 1.2 & 1.3, you want to run the installer in advanced mode “setup 
adv”. This provides many additional options. One such option is the ability to 
NOT update the MBR. On a multi-boot system, you are probably running a boot 
loader like Grub. So, you don’t want to overwrite that loader. 

On later FreeDOS Interim Test builds, the installer behaves a little 
differently for the MBR. In normal mode, it will only automatically write a new 
MBR when running inside a known Virtual Machine that contains a single DOS 
partition. Otherwise, it prompts for that option. In advanced mode, it always 
asks.

:-)

Jerome


> 
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