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From: rich@aggie.cyanamid.COM (Rich Seligson)
Newsgroups: comp.unix.sysv386,comp.unix.msdos
Subject: Re: SCO Unix 3.2 & MS-DOS HD Partitions?
Summary: Only with MS-DOS 3.3 and earlier
Message-ID: <3@aggie.cyanamid.COM>
Date: 26 Jun 91 14:37:44 GMT
References: <1991Jun24.054414.27025@dhw68k.cts.com>
Reply-To: rich@aggie.cyanamid.com (Rich Seligson)
Followup-To: comp.unix.sysv386
Distribution: usa
Organization: American Cyanamid Company
Lines: 22

In article <1991Jun24.054414.27025@dhw68k.cts.com> daveegan: @dhw68k.cts.com (Dave Egan - N6XVZ) writes:
>A friend of mine owns SCO Unix 3.2 [...stuff deleted...]
> 
>My question is, why can't my friend boot DOS from his hard disk?  Is it
>related to the order that the operating systems are loaded?  I realize that
>FDISK (MS-DOS) changes the active partition, but I sense there's a smoother
>way of accomplishing this, such as XENIX does.

I have a similar problem.  In order to boot DOS I have to change the
active partition to my DOS partition, and then shutdown and reboot.

SCO Unix only recognizes DOS partitions for MS-DOS versions 3.3 and
earlier.  Check the version of DOS that your friend has installed.
This is true for booting and the DOS utilities (doscp, dosdir, doscat,
etc...).

This is a headache for me because I need a DOS partition > 32 MB, but
I also want Unix to recognize it.  Oh well, sacrifices must be made...

Rich

P.S. I found this documented in the "Open Desktop Release Notes" page 41