DMA Mode

[joerg at britannica.bec.de]

On Fri, Dec 16, 2005 at 08:06:44PM -0500, Ezra Drummond wrote:
> Hi
> I have a Dell inspiron 6000 laptop, which i am trying to set dma mode
> for the dvd+rw drive. I add "ata.atapi_dma=1" to loader.conf but the
> system just ignore it. Any hints would be very much appreciated.
> ps: FreeBSD 6.0 set dma automatically without me adding anything to
> loader.conf.

Yes, we know. It was a lengthy debatte about the merits, since enough
chipsets are broken. Like Sascha wrote, the correct hint is
hw.ata.atapi_dma. You can also use atacontrol mode, keep in mind that
values for both channels have to be specified.

Joerg