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Date:      Mon, 24 Mar 2003 12:35:03 -0800
From:      Eric Hodel <drbrain@segment7.net>
To:        Kevin Oberman <oberman@es.net>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Solved??? Re: playing mp3s and burning a cd
Message-ID:  <20030324203503.GB53306@segment7.net>
In-Reply-To: <20030324195207.136F65D07@ptavv.es.net>
References:  <20030324194330.GA681@lenny.anarcat.ath.cx> <20030324195207.136F65D07@ptavv.es.net>

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Kevin Oberman (oberman@es.net) wrote:

> Close. Add:
> hw.ata.atapi_dma=3D"1"    # Run the CD-ROM/DVD in DMA mode
> to /boot/loader.conf.
>=20
> This should be in almost EVERY /boot/loader.conf. The default is 0 (PIO)
> because DMA is broken on at least a few early CD readers, but it is
> very rare to have it fail. (I've never seen it.)

my
ad2: 2014MB <QUANTUM BIGFOOT_CY2160A> [4092/16/63] at ata1-master PIO4

Is one of those wierd drives that claims to support DMA, but doesn't.
I still get occasional bus resets when doing lots of IO to the drive, if
I don't keep it in PIO mode.

--=20
Eric Hodel - drbrain@segment7.net - http://segment7.net
All messages signed with fingerprint:
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