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From: Ian Lepore <freebsd@damnhippie.dyndns.org>
To: Wajih Ahmed <wajih.ahmed@gmail.com>
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Date: Sun, 12 Aug 2012 11:00:23 -0600
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Cc: freebsd-stable@freebsd.org
Subject: Re: FreeBSD 9.0 and (Kingspec) PATA drive ATA status errors. Drive
 unusable.
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On Sun, 2012-08-12 at 12:42 -0400, Wajih Ahmed wrote:
> Ok at the boot loader prompt i did as you suggested
> 
>          set hint.ata.0.mode="UDMA33"
> 
> And that change did take effect as evedint by
> 
>        ada0: 33.300MB/s transfers (UDMA2, PIO 512bytes)
> 
> Unfortunately i still get the error
> 
>       .....ATA status: 51 (DRDY SERV ERR), error: 84 (ICRC ABRT)
> 
> Regards,

It's probably worth trying an even slower mode, such as UDMA16, and for
testing purposes maybe even PIO4, but it's starting to sound like maybe
the problem is something else.

-- Ian