error reading SATA DVDRW

[Wojciech Puchar]

enter bootloader prompt (6) and type

set hw.ata.atapi_dma=0
boot


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
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