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Date:      Mon, 15 Mar 2010 00:37:52 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Programmer In Training <pit@joseph-a-nagy-jr.us>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: how to use cdrecord
Message-ID:  <20100315003752.a7502ad3.freebsd@edvax.de>
In-Reply-To: <4B9C5C09.40602@joseph-a-nagy-jr.us>
References:  <4B9C3DFB.7010307@comclark.com> <alpine.BSF.2.00.1003132231470.79286@tripel.monochrome.org> <4B9C5C09.40602@joseph-a-nagy-jr.us>

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An addition:

On Sat, 13 Mar 2010 21:46:17 -0600, Programmer In Training <pit@joseph-a-nagy-jr.us> wrote:
> [root@heaven]dmesg -a | grep acd
> acd0: DMA limited to UDMA33, controller found non-ATA66 cable
> acd0: DVDR <HP DVD Writer 1040r/MH21> at ata1-master UDMA33
> 
> Thoughts?

You're using a 40-pin ATA cable. Replace it with an
"80-pin" (every 2nd wire is "shield", still only 40
pins on the connector) cable which is "finer". This
way the drive can be accessed faster than UDMA33.

Looks like this:

% dmesg | grep acd
acd0: DVDR <HL-DT-STDVD-RAM GSA-H58N/1.01> at ata1-master UDMA66



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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