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Date:      Fri, 30 May 2003 10:25:18 -0700
From:      Rich Morin <rdm@cfcl.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Boot problem: "ata0: resetting devices"
Message-ID:  <p05200f2dbafd43e0d7ce@[192.168.254.205]>
In-Reply-To: <200305301004.39445.kstewart@owt.com>
References:  <p05200f16bafb423c7331@[192.168.254.205]> <200305300729.41685.kstewart@owt.com> <p05200f2abafd3ad5b917@[192.168.254.205]> <200305301004.39445.kstewart@owt.com>

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At 10:04 AM -0700 5/30/03, Kent Stewart wrote:
>No, you didn't understand. The ATA cards appear like a scsi to the bios.
>To boot from an add in ATA card, you have to choose scsi boot.

I'll look into this.  However, I haven't seen any way to request this
in the SETUP screens.  Anything I should look for?

>You lose a lot of speed. My new ATA cards are all UDMA-133. Dma transfers are
>always faster. PIO is set at something like 16MB/s. You only get so many
>milliseconds of time for a each transfer block and dma is always faster.

So, it's definitely worth pursuing.

-r
-- 
email: rdm@cfcl.com; phone: +1 650-873-7841
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