From owner-freebsd-current@FreeBSD.ORG  Thu Aug 31 16:49:50 2006
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Date: Thu, 31 Aug 2006 16:49:50 +0000
From: Prafulla Deuskar <pdeuskar@FreeBSD.ORG>
To: Andrew Gallatin <gallatin@cs.duke.edu>
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Cc: Alan Cox <alc@cs.rice.edu>, freebsd-current <freebsd-current@FreeBSD.ORG>,
	Robert Watson <rwatson@FreeBSD.ORG>, Jack Vogel <jfvogel@gmail.com>,
	Mohan Srinivasan <mohan_srinivasan@yahoo.com>
Subject: Re: RFC: FreeBSD I/OAT driver
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> 
> Prafulla Deuskar writes:
>  > Dual core Woodcrest
>  > Bensley Chipset
> 
> How can one tell before purchase which machines/chipsets have I/OAT?
> 
> We just bought a pair of Dell 2950s with a "5000X" Chipset
> (8086:25c0), and there is no I/OAT DMA engine that I can see (no
> device 8086:1a38).
>
Your best bet to get I/OAT enabled system right now is to get SuperMicro system.