From owner-freebsd-questions@FreeBSD.ORG Thu Oct 16 16:25:36 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BBDC41065693 for ; Thu, 16 Oct 2008 16:25:36 +0000 (UTC) (envelope-from ilikefbsd@web.de) Received: from fmmailgate03.web.de (fmmailgate03.web.de [217.72.192.234]) by mx1.freebsd.org (Postfix) with ESMTP id 2E07E8FC19 for ; Thu, 16 Oct 2008 16:25:35 +0000 (UTC) (envelope-from ilikefbsd@web.de) Received: from smtp07.web.de (fmsmtp07.dlan.cinetic.de [172.20.5.215]) by fmmailgate03.web.de (Postfix) with ESMTP id F1CE8F1AACC0; Thu, 16 Oct 2008 18:22:41 +0200 (CEST) Received: from [80.244.246.126] (helo=[10.8.0.2]) by smtp07.web.de with asmtp (TLSv1:AES256-SHA:256) (WEB.DE 4.109 #226) id 1KqVcX-0000hN-00; Thu, 16 Oct 2008 18:22:41 +0200 Message-ID: <48F78669.4020808@web.de> Date: Thu, 16 Oct 2008 20:22:33 +0200 From: Marco User-Agent: Thunderbird 2.0.0.17 (X11/20080930) MIME-Version: 1.0 To: Josh Paetzel References: <1675072737@web.de> <20081013174620.GA24725@icarus.home.lan> <48F3A593.3000005@FreeBSD.org> In-Reply-To: <48F3A593.3000005@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: ilikefbsd@web.de X-Sender: ilikefbsd@web.de X-Provags-ID: V01U2FsdGVkX18JTfCjm8/cLvyYYq9ynkxksOL/orSjqtPVhH6L o8bNl4mHXYVhSdNTC/cCNhulwx95iicLdBk/KwRIq370ik7qZj M4t7HCa10= Cc: Jeremy Chadwick , freebsd-questions@freebsd.org Subject: Re: new hdd numeration after mainboard change X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Oct 2008 16:25:36 -0000 Thank you very much, of course it was the AHCI configuration in the BIOS, luckily i can now switch between AHCI and compatibility mode when using Windows(otherwise it will result in a bluescreen) ;-) Best regards, Marco Josh Paetzel wrote: > Jeremy Chadwick wrote: > > On Mon, Oct 13, 2008 at 07:12:20PM +0200, ilikefbsd@web.de wrote: > >> i run "FreeBSD 7.1-PRERELEASE" i had a change of the mainboard of my > >> lenovo notebook t60. after reboot the harddisk which was before > >> recognized as "ad0" is now "ad4". i cannot find any other devices, no > >> ad0/ad1/ad2 in /dev. even in the dmesg only ad4 > > The T60 is a laptop. It only has one hard disk -- so I'm not sure why > > you were seeing ad0, ad1, ad2 in the past. You shouldn't have been, > > unless you had 3 hard disks hooked up somehow. > > > The bottom line here is this: absolutely *nothing* requires the device > > numbering to start at zero. And this is definitely the case. > > >> does fbsd create a uniqe identifier for harddisks in combination with > >> the motherboard or something like that? where can i dig further into > >> that issue? > > It's not really an "issue". Very likely your computer has toggled some > > BIOS settings. > > > The T60 series has the ability to run the SATA ports in two modes: AHCI, > > or Enhanced/Compatible. Chances are before the motherboard swap, yours > > was running in the opposite mode that it is now. > > > I would highly recommend using the AHCI mode. It works quite well with > > FreeBSD under Intel controllers. Turn AHCI on (if it's not already), > > and do not mess with it. > > > I can verify as a T60 owner, if you toggle the BIOS between AHCI and > "Compatability" the hard drive will show up as either ad4 or ad0. > > It works fine in either mode with FreeBSD. Unless you are running > another OS that doesn't have SATA support there's really no reason to > use compatibility mode > _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"