Why does my 8.2-RC3 dvd1 boot DOS?

Frank Shute frank at shute.org.uk
Sat Feb 5 02:00:08 UTC 2011

On Fri, Feb 04, 2011 at 04:53:15PM -0500, Chuck Bacon wrote:
> I downloaded it yesterday.  Here's the facts:
> 1. md5 matches CHECKSUM.MD5
> 2. When I boot off the BIOS, it takes a half minute or so, and
>    then: voila!  PC-DOS boots, and for all the world look as
>    though it will boot a larger system; except it doesn't have
>    a clue.
> Here's the hypothesis: The FreeBSD-8.3-RC3 boot loader doesn't
> satisfy my BIOS, and the BIOS looks through the dvd until it finds
> one of the DOS boot loaders provided by some fdisk variant.
> Any ideas why?
> If nothing else, I'll download disc1.  Praps that'll work!
> Many thanks,

Your BIOS isn't clever enough to look through the DVD and find an OS
(an OS that's not shipped with FreeBSD AFAIK). The PC-DOS bootloader
must reside in the boot blocks of your HDD or DVD.

Sometimes manufacturers ship PC-DOS on the HDD if the machine comes
with "no OS"; maybe that's what you are seeing.




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