Re: Is there still sufficient reason for hw.ata.atapi_dma being 0 by default?
From: Josh Elsasser (jre_at_vineyard.net)
Date: 07/31/04
- Previous message: Daniel O'Connor: "Re: Synaptics Touchpad sample port adopted for current's psm.c"
- In reply to: Maxim Sobolev: "Is there still sufficient reason for hw.ata.atapi_dma being 0 by default?"
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Date: Fri, 30 Jul 2004 23:09:07 -0400 To: Maxim Sobolev <sobomax@portaone.com>
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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- Previous message: Daniel O'Connor: "Re: Synaptics Touchpad sample port adopted for current's psm.c"
- In reply to: Maxim Sobolev: "Is there still sufficient reason for hw.ata.atapi_dma being 0 by default?"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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