From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Eric D. Mudama" <edmudama@gmail.com>
Subject: Re: AHCI + ST3160023AS + NCQ problems
Date: Tue, 30 Oct 2007 07:15:15 -0600
Message-ID: <311601c90710300615j33bf0959l51b1b2505e9b2048@mail.gmail.com>
References: <305c16960710291713v22875d26v8ccfc76daab102bd@mail.gmail.com>
	 <47270CE9.4060501@msgid.tls.msk.ru>
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To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Matheus Izvekov <mizvekov@gmail.com>, linux-ide@vger.kernel.org, jgarzik@pobox.com

On 10/30/07, Michael Tokarev <mjt@tls.msk.ru> wrote:
> By the way, did you forget to remove a jumper on the drive
> (the only jumper installed by default) that limits drive
> usage to SATAI?
...
> ..etc.   Try again without the jumper?  Note that NCQ is NOT supported
> in SATAI mode, or there were some pre-standard implementations of it.
> In SATAII, NCQ is standard (well... more or less anyway ;)

Huh?

To my knowledge, the jumper should only limit the bus rate to
1.5Gbit/s, for compatibility with one or more chipsets.  It shouldn't
affect the command set supported by the device.