error reading SATA DVDRW

Glen Barber glen.j.barber at
Sun Dec 21 10:44:53 UTC 2008

On Sun, Dec 21, 2008 at 5:34 AM, Ivan Carey <ivan at> wrote:
> I am unable to install FreeBSD because of the following error
> acd0: FAILURE - READ BIG_MEDIUM ERROR asc=0x21 ascq=0x00
> The computer reboots during install.
> I have read that this error can be due to the DVD drive being a master, as
> it is a SATA drive it is assigned as a master in the BIOS
> Is there a way this can be resolved.

Glen Barber

"If you have any trouble sounding condescending, find a Unix user to
show you how it's done."
 --Scott Adams

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