It seems Vallo Kallaste wrote:
> > > When enabling Wdma2/Udma2? the system hangs immediately. This is the
> > > case with burncd as well as with cdrecord.
> > 
> > That should work, provided your burners support DMA properly.
> > What make are those burners ? dmesg please!!
> Back to the 4.5-something I had problems with the Plextor CD-RW
> drive, Promise ATA-66 and DMA. We had email discussion about it and
> you claimed that Promise support for ATAPI DMA is almost missing,
> but I guess you have better things to remember. The combo did work
> well with PIO4. Sounds similar.

The old Promise controllers, pre TX2, does not support ATAPI DMA,
however the TX2 (and later) works as advertised...


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