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Date:      Thu, 27 Feb 2003 10:30:52 +0100 (CET)
From:      Soeren Schmidt <sos@spider.deepcore.dk>
To:        Willie Viljoen <will@unfoldings.net>
Cc:        Len Conrad <LConrad@Go2France.com>, freebsd-questions@freebsd.org
Subject:   Re: can't get to ATA133 (Addendum to previous post)
Message-ID:  <200302270930.h1R9UqOc087155@spider.deepcore.dk>
In-Reply-To: <200302271126.44164.will@unfoldings.net>

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It seems Willie Viljoen wrote:
> On Thursday 27 February 2003 11:08, someone, possibly Soeren Schmidt, typed:
> > > I've already thought of that and the guy on site says the Promise
> > > cables are 18 inches.
> >
> > Which is just about right...
> >
> > -Søren
> 
> Strange, I was told 30cm emphatically by our local techie, but Søren did 
> write the driver, so he's probably more correct than my techie. My mistake 
> :)

Well, point him at the ATA specs :)

> Søren, what else could be causing this? On bootup, Len's system complains:
> 
> > ad4: DMA limited to UDMA33, non-ATA66 cable or device
> > ad6: DMA limited to UDMA33, non-ATA66 cable or device

This is because the cblid bit in the disks indicate that the disk doesn't
see the right cable (or rather the right signals it tests for).
Since I dont have a dmesg from the system I dont know if there are other
devices on the cable than the disks, as the most usual culprit here is
an ATAPI device that doesn't like UDMA.

-Søren

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