From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Wed, 16 May 2012 10:05:15 -0400 To: 9fans@9fans.net Message-ID: In-Reply-To: <4FB3B0CC.50003@yahoo.fr> References: <20120516151423.0d28c0de@wks-ddc.exosec.local> <4FB3B0CC.50003@yahoo.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [9fans] Thinkpad T61 Installation Experience Topicbox-Message-UUID: 8f05e88e-ead7-11e9-9d60-3106f5b1d025 On Wed May 16 09:52:32 EDT 2012, nbercher@yahoo.fr wrote: > Le 16/05/2012 15:14, David du Colombier a =C3=A9crit : > > Have you enabled DMA at the begin of the installation > > process? Whitout DMA, your disk i/o will likely be > > something like ten times slower. >=20 > Is there any remaining reason today for dmaon not being the default? no. though i doubt there would be a 10x reduction in performance. one could reasonablly get 10mb/s with pio. (if it working.) that's probablly about as much as could be expected with the seekiness of the original install. as long as one isn't installing to something reall= y huge that needs preformatting, even 1mb/s should take no more than 500s (5 min). - erik