From owner-freebsd-questions  Sat Jun  9 22:32: 5 2001
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Date: Sun, 10 Jun 2001 00:31:47 -0500 (CDT)
From: David Scheidt <dscheidt@tumbolia.com>
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To: Mark Hughes <mark@dvdnews.co.uk>
Cc: <koroby398@netscape.net>, <freebsd-questions@FreeBSD.ORG>
Subject: Re: Dmesg: poor ATA cable
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On Sun, 10 Jun 2001, Mark Hughes wrote:

:> getting this at start-up:
:>
:> ata0-master: DMA limited to UDMA33, non-ATA66 compliant cable
:> ad0: 57241MB <WDC WD600AB-00BVA0> [116301/16/63] at ata0-master UDMA33
:> ad2: 19574MB <IBM-DPTA-372050> [39770/16/63] at ata1-master UDMA66
:> acd0: DVD-ROM <TOSHIBA DVD-ROM SD-M1402> at ata0-slave using PIO4
:> acd1: CD-RW <CR-48X5TE> at ata1-slave using PIO4
:>
:> swapped cables, replaced cables - result was the same. tried 4 cables.
:> Have Win2K, Debian and Solaris 8 on the same box, they all seem to be happy with the
:cable. Probably missing obvious. Thanks for help in advance.
:
:I know this sounds stupid (slap me for sounding patronising if i do, I'm sorry), but have
:you got an 80-conductor ATA66 (or ATA100) cable, rather than a 40 (or possibly 41)
:conductor ATA33 (or below) cable?

And that's not on backwards?  It's possible for ata 66 to work with the
wrong cable; it's not reliable.  The ATA driver is much more paranoid about
things like this than many other OS's drivers seem to be.



-- 
dscheidt@tumbolia.com
Bipedalism is only a fad.


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