Is there still sufficient reason for hw.ata.atapi_dma being 0
by default?
Josh Elsasser
jre at vineyard.net
Sat Jul 31 00:58:12 PDT 2004
On Fri, Jul 30, 2004 at 02:59:47PM +0300, Maxim Sobolev wrote:
> Since high-speed CD-RW/DVD-RW recorders (32x - 52x) are commodity now
> IMO it makes sense to review hw.ata.atapi_dma default of 0, since
> apparently PIO mode can't support necessary sustained data transfer
> rates anymore. For example I had had problems burning RWs on 16-24x with
> several drives in PIO mode, which gone when I've switched to DMA.
Funny, I have a cheap drive that I had problems with when using DMA,
which (mostly) went away when I switched to PIO. Perhaps the burncd
manpage should mention that you might have to fiddle with
hw.ata.atapi_dma to burn successfully.
-jre
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