From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Ni7l8-00017J-VQ for garchives@archives.gentoo.org; Thu, 18 Feb 2010 14:53:43 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id B0657E07CF; Thu, 18 Feb 2010 14:53:36 +0000 (UTC) Received: from gv-out-0910.google.com (gv-out-0910.google.com [216.239.58.185]) by pigeon.gentoo.org (Postfix) with ESMTP id 732C2E07CF for ; Thu, 18 Feb 2010 14:53:36 +0000 (UTC) Received: by gv-out-0910.google.com with SMTP id y18so182539gvf.39 for ; Thu, 18 Feb 2010 06:53:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date :user-agent:references:in-reply-to:mime-version:content-type :content-transfer-encoding:message-id; bh=tuvb8zO+AwpET5uoQB3A4BalcpAq08IUGlQiWd49kYg=; b=F50k0BKZF91gPUw/AYbVZSCD4Ixvo74tmheKvpnHxrngfYZIX5MAaFW9dKeiYnFLSX hwS3I5XACNGeyspw3aVsm9f2j7WN0mJRqAsyHIHT3od7GDmd2XNj1yC+39MDpB9xohvD J3YlIt85Ipvqj+Dym+NjZ6pHEgD74bnFkNS+8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=from:to:subject:date:user-agent:references:in-reply-to:mime-version :content-type:content-transfer-encoding:message-id; b=AjUY1sV36+Pp/CzcnV7Lm1EPGAlZv1umWr46O5Cig/3FqMG6fH01DhBVn6MOdb5qP4 eOJQ6IXGhRVdEl9ErnLaZjicf+LVCk1PyqglaUmLVCGLKG92vtERdUa6qqRYucoltsvG 1IfrDTtYII2bYERzgO45HbkYbBpcri1vSeLw8= Received: by 10.103.127.30 with SMTP id e30mr149088mun.135.1266504815506; Thu, 18 Feb 2010 06:53:35 -0800 (PST) Received: from energy.localnet (ip-80-226-1-7.vodafone-net.de [80.226.1.7]) by mx.google.com with ESMTPS id g1sm44548285muf.46.2010.02.18.06.53.34 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 18 Feb 2010 06:53:34 -0800 (PST) From: Volker Armin Hemmann To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] hdparm -d 1 -X 68 ? Date: Thu, 18 Feb 2010 15:53:28 +0100 User-Agent: KMail/1.13.0 (Linux/2.6.31.12r4; KDE/4.4.0; x86_64; ; ) References: In-Reply-To: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201002181553.28478.volkerarmin@googlemail.com> X-Archives-Salt: 4d43be80-a7e7-406a-9b20-a809148ddd48 X-Archives-Hash: fb21a82d484430c9360ea4c30d832c09 On Donnerstag 18 Februar 2010, James wrote: > Hello, > > > hdparm -i /dev/hda > > Model=IBM-DJNA-371350, FwRev=J76OA30K, SerialNo=GM0GMGB6505 > Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=34 > BuffType=DualPortCache, BuffSize=1966kB, MaxMultSect=16, MultSect=16 > CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=26520480 > IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} > PIO modes: pio0 pio1 pio2 pio3 pio4 > DMA modes: mdma0 mdma1 mdma2 > UDMA modes: udma0 udma1 *udma2 udma3 udma4 > AdvancedPM=no WriteCache=enabled > Drive conforms to: ATA/ATAPI-4 T13 1153D revision 17: ATA/ATAPI-1,2,3,4 > > * signifies the current active mode > > > Should I put the drive into udma4 mode? > > If so, wouldn't I use: > > hdparm -d 1 -X 68 /dev/hda > > > ??? > > > James no usually the kernel chooses the right mode. If this one is lower than expected, you shouldn't mess with it. Either grep for your drive or controller in the kernel sources - it might be blacklisted - or get a different cable. Never set udma modes.