linux-kernel - Re: Kernel Summit request for Discussion of future of ATA (libata) and IDE

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Date:	Mon, 04 Aug 2008 18:12:51 -0400
From:	Mark Lord <liml@....ca>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Robert Hancock <hancockr@...w.ca>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	ksummit-2008-discuss@...ts.linux-foundation.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide <linux-ide@...r.kernel.org>
Subject: Re: Kernel Summit request for Discussion of future of ATA (libata)
 and IDE

Alan Cox wrote:
> You don't. Basically it is controller dependant. Pretty much all the
> newer controllers support the 32bit PIO data cycles. Most PCI controllers
> it makes no speed difference but host bus controllers (especially
> PIIX/ICH) really benefit.
..

By "most PCI controllers", did you really mean "most add-on PCI (card) controllers"?

Nearly all onboard "PCI" controllers (integrated into the host chipset) benefit hugely,
but I suppose that is what was meant by "host bus controllers".

Cheers

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