From: Robert Hancock <hancockrwd@gmail.com>
To: "Dâniel Fraga" <fragabr@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-ide@vger.kernel.org
Subject: Re: ICH10 not working with AHCI kernel option
Date: Thu, 08 Apr 2010 17:54:14 -0600 [thread overview]
Message-ID: <4BBE6CA6.1010808@gmail.com> (raw)
In-Reply-To: <4bbde4f7.1702be0a.5f6c.028e@mx.google.com>
On 04/08/2010 08:15 AM, Dâniel Fraga wrote:
> On Thu, 8 Apr 2010 15:09:20 +0100
> Alan Cox<alan@lxorguk.ukuu.org.uk> wrote:
>
>> Yes
>
> Ok, problem solved. You're right, the BIOS option was wrong.
> The problem is that it's called "RAID mode" and I found it not
> intuitive since I don't use RAID (so I didn't touch it). I changed it
> from IDE to AHCI and it worked.
>
> So just a quick and last question. I read here the following:
>
> http://forum-en.msi.com/index.php?topic=106575.120
>
> "AHCI is a native SATA Mode. There is not necessarely a major
> performance difference between IDE/Legacy Mode and AHCI Mode".
>
> Of course this guy is talking about Windows, but can it be
> applied to Linux too? I mean, does AHCI offers no significant
> performance improvement over SFF/Legacy mode?
Depends on a lot of things, and what you mean by "significant". You
don't get NCQ in legacy mode, and you also don't get 64-bit DMA support,
which gets more significant the more RAM you have.
next prev parent reply other threads:[~2010-04-08 23:54 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 13:36 ICH10 not working with AHCI kernel option Dâniel Fraga
2010-04-08 13:45 ` Alan Cox
2010-04-08 13:46 ` Dâniel Fraga
2010-04-08 13:59 ` Alan Cox
2010-04-08 14:02 ` Dâniel Fraga
2010-04-08 14:09 ` Alan Cox
2010-04-08 14:15 ` Dâniel Fraga
2010-04-08 23:54 ` Robert Hancock [this message]
2010-04-09 2:00 ` Dâniel Fraga
2010-04-09 2:09 ` Robert Hancock
2010-04-09 2:22 ` Dâniel Fraga
2010-04-09 2:52 ` Robert Hancock
2010-04-09 3:16 ` Dâniel Fraga
2010-04-09 10:12 ` Tim Small
2010-04-09 14:47 ` Robert Hancock
2010-04-09 15:07 ` Alan Cox
2010-04-09 16:37 ` Tim Small
2010-04-09 18:53 ` Alan Cox
2010-04-09 23:04 ` Robert Hancock
2010-04-09 4:28 ` Jeff Garzik
2010-04-09 9:16 ` Alan Cox
2010-04-09 9:08 ` Alan Cox
2010-04-09 9:12 ` Dâniel Fraga
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4BBE6CA6.1010808@gmail.com \
--to=hancockrwd@gmail.com \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=fragabr@gmail.com \
--cc=linux-ide@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.