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Date:      Mon, 24 Aug 1998 12:37:50 -0700
From:      Graeme Tait <graeme@echidna.com>
To:        freebsd-hardware@FreeBSD.ORG
Cc:        info@boatbooks.com
Subject:   Re: UDMA Support 
Message-ID:  <35E1C10E.1AA3@echidna.com>
References:  <199808221929.TAA20855@dingo.cdrom.com>
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Mike Smith wrote:
> 
> > Does FreeBSD have Ultra DMA support or will it have it?
> 
> FreeBSD 3.0 supports IDE DMA.  SCSI disks will give better performance
> in multiple-disk or high load scenarios.


Assuming I'm running an Ultra ATA drive (IBM 7200 RPM 10GB or 14GB to be 
specific) under 2.2.7, what benefits would the Ultra DMA support under 
3.0 bring, and under what conditions (read/write, file size etc.)?


-- 
Graeme Tait - Echidna


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