On Friday 08 February 2008, Tom Evans wrote: > On Fri, 2008-02-08 at 17:14 +0100, Dominic Fandrey wrote: > > Tom Evans wrote: > > > If I try to turn on DMA, I just get WDMA2, which just doesn't cut it: > > > > I think any DMA mode is fast enough to handle a DVD drive. There's just > > no necessity for more. > > WDMA is not UDMA. Any UDMA variant would be enough. WDMA2 provides a > maximum of 16MiB/s, which will frequently lead to buffer underruns > viewing a DVD. UDMA2 provides a maximum of 33MiB/s, which IS plenty. DVD video is encoded at max. ~7Mbit/sec, which is way below 16MB/sec. You should have no problems viewing dvds.
> > > >> # atacontrol mode acd0 udma5 > > > > > > current mode = WDMA2 > > > > Same as for me. I'm satisfied with the speed of the drive. > > I'm rarely satisfied - I'm quite often not bothered enough to pursue :) > > Tom -- Pieter de Goeje _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"