Like many folks, I have half a dozen boot floppies for various support activities. I thought the easy option was to insert them in the UBCD Custom folder and edit the custom.cfg. How wrong I was.

All the floppies use MSDOS 6.22, because I like it and I've got the ligitimate license and install disks. Booting from UBCD and choosing my MSDOS menu item, I keep getting "error in config.sys, unable to find command processor e.g. c:\ command.com". I've tried varying the first line of the config.sys, but the failure is always the against the first line. I've even tried making the first config.sys line into "shell=a:\command.com /p" and also made sure all the MSDOS files are in the root of the floppy image with no sub-folders.

Have I missed something crucial or does MSDOS just not work with UBCD 5? For your information, I have successfully inserted a couple of boot floppies from Terrabyte Unlimited (BootITng and ImageforDOS) which use Terrabyte's own custom OS, so any help with MSDOS would be appreciated.

Have you tried chain.c32 booting?

http://syslinux.zytor.com/wiki/index.ph ... /chain.c32


Icecube will be more familiar with this than I.

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~Just StopSpazzing~

Visit the UBCD Wiki: http://wiki.ultimatebootcd.com
Please check your UBCD ISO MD5 Hash Sum; May prevent issues later on by not having an exact copy.

Currently Working on Common Issues and Repair Tips on the Wiki.

If you have the actual floppy images, make a floppy image file of them.
Save them for example in /ubcd/images/.

Then you can boot those tools with MEMDISK:

You can also compress the images with 7-zip (save as gzip):

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