From: "Michal H. Tyc" 

> Somehow suddenly the drdos did not want to start via grub.

Can you describe the problem more precisely? Do you get any error messages?

> Thought I had some 
> trouble with sys part of the dos instalation but when I start the drdos 
> partition with a drdos cd I just get everything as before. Did a sys A: C: 
> (A: being the letter given to the cdrom, but that did not make a difference. 
> No idea why but the partition still does not want to boot.

So the DOS partition is fine and no files are missing? Have you run 
CHKDSK or similar tool?

> And due to the missing autoexec.bat and config.sys from my partition I have a 
> less than stellar configuration and missing out on memory hungry programs.
> Where can I find how to burn an iso with my own autoexec.bat and config.sys?
> Why is my dos partition not working? Any ideas? 

You may want to try refreshing the Master Boot Record using FDISK (FDISK 
should make a copy for you) and set the DOS partition active. If DR-DOS 
boots fine then, it is some problem with GRUB. Later you would have to 
re-install and configure GRUB, of course. But error messages and CHKDSK 
report would indicate whether the action described above makes sense.

Michal


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