linux-kernel - Re: Abysmal PATA IDE performance

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Message-Id: <1163096630.3138.515.camel@laptopd505.fenrus.org>
Date:	Thu, 09 Nov 2006 19:23:49 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Stephen.Clark@...lark.us
Cc:	"\"\\\"J.A.\\\"" Magallón" 
	<jamagallon@....com>,
	Björn Steinbrink <B.Steinbrink@....de>,
	Mark Lord <lkml@....ca>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Abysmal PATA IDE performance

> ata2.01: ATAPI, max UDMA/33
> ata2.00: configured for UDMA/33 <==== why isn't this 66 or 100 ?
> ===============****


you need a different cable for udma66 than you need for udma33; and a
certain capacitor to be able to autodetect which you have...
maybe your laptop maker saved himself $0.05 ;)
-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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