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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: John Treubig <jtreubig@hotmail.com>
Cc: jeff@garzik.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Controlling PATA access speeds
Date: Fri, 02 Jun 2006 02:01:03 +0400	[thread overview]
Message-ID: <447F639F.6030609@ru.mvista.com> (raw)
In-Reply-To: <BAY113-F2199B8BEE31723E17D24CCDF900@phx.gbl>

Hello.

John Treubig wrote:
> Jeff,
> 
> You bring up a good point in the fact that I believe your refering to 
> detecting 80 wire vs. 40 wire.  We've not tried to use this to our 
> advantage, but it could have some merrit.  What does the driver do if it 
> encounters a 40 wire cable and the drive says it's capable of DMA5?

    Obviously, it limits the speped to UDMA2.

MBR, Sergei

      parent reply	other threads:[~2006-06-01 22:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-01 17:25 Controlling PATA access speeds John Treubig
2006-06-01 18:52 ` Jeff Garzik
2006-06-01 18:59   ` James Bottomley
2006-06-01 20:35   ` John Treubig
2006-06-01 21:21     ` Doug Maxey
2006-06-02 15:31       ` John Treubig
2006-06-02 20:37       ` John Treubig
2006-06-02 21:10         ` Doug Maxey
2006-06-02 22:33         ` Mark Lord
2006-06-01 22:01     ` Sergei Shtylyov [this message]

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