linux-kernel - Re: IDE/ATA: Intel i865-based mainboard, CDROM not detected

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Message-ID: <4656E687.6070707@garzik.org>
Date:	Fri, 25 May 2007 09:37:11 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Holger Eitzenberger <holger@...eitzenberger.de>
CC:	Robert Hancock <hancockr@...w.ca>,
	Jonathan Woithe <jwoithe@...sics.adelaide.edu.au>,
	linux-kernel@...r.kernel.org
Subject: Re: IDE/ATA: Intel i865-based mainboard, CDROM not detected

Holger Eitzenberger wrote:
> just curious, what makes you think that AHCI is better wrt performance?

NCQ support, CPU cycle savings, no silly DMA limits (supports larger 
clustered chunks of data, less bouncing), supports 64-bit (no bouncing 
on 64-bit), eliminates use of PIO, the list goes on.

	Jeff


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