error reading SATA DVDRW

Wojciech Puchar wojtek at
Sun Dec 21 11:18:25 UTC 2008

enter bootloader prompt (6) and type

set hw.ata.atapi_dma=0

On Sun, 21 Dec 2008, Ivan Carey 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.
> Thanks,
> Ivan
> _______________________________________________
> freebsd-questions at mailing list
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe at"

More information about the freebsd-questions mailing list