Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 19 Apr 2001 10:46:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 19 Apr 2001 10:46:20 -0400 Received: from rcum.uni-mb.si ([164.8.2.10]:29704 "EHLO rcum.uni-mb.si") by vger.kernel.org with ESMTP id ; Thu, 19 Apr 2001 10:46:15 -0400 Date: Thu, 19 Apr 2001 16:46:03 +0200 From: David Balazic Subject: Re: ATA 100 To: vojtech@suse.cz, "linux-kernel@vger.kernel.org" Message-id: <3ADEFA2B.2DCEAE41@uni-mb.si> MIME-version: 1.0 X-Mailer: Mozilla 4.77 [en] (WinNT; U) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 8BIT X-Accept-Language: en Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Vojtech Pavlik (vojtech@suse.cz) wrote : > On Wed, Apr 18, 2001 at 10:21:53PM -0400, Manuel Ignacio Monge Garcia wrote: > > > El Mi? 18 Abr 2001 15:16, escribiste: > > > I don't know about other possible problems with the kernel, but you must > > > use an 80 wire IDE cable for UDMA66/100 to work. > > > > > > > -----------------------Primary IDE-------Secondary IDE------ > > > > Cable Type: 40w 40w > > > > > > Strange thing. With previous version of kernel (2.4.1 I think), I > > haven't got this problem. May be a bios detection problem? > > > > Extract from /usr/src/linux/drivers/ide/via82cxxx..c: > > > > * > > * PIO 0-5, MWDMA 0-2, SWDMA 0-2 and UDMA 0-5 > > * > > * (this includes UDMA33, 66 and 100) modes. UDMA66 and higher modes are > > * autoenabled only in case the BIOS has detected a 80 wire cable. To ignore > > * the BIOS data and assume the cable is present, use 'ide0=ata66' or > > * 'ide1=ata66' on the kernel command line. > > * > > > > I've tried with ide0=ata100, but this options doesn't work. > > Try ide0=ata66 instead. The option should have been named ide0=80wire, > but, well, "ata66" was chosen as the name, because that was it at the > time. Any chance of auto detecting this ? I just hate when linux is relaying on the BIOS ... BTW , why are there 666 CONFIG_.*IDE.*DMA.* switches ? -- David Balazic -------------- "Be excellent to each other." - Bill & Ted - - - - - - - - - - - - - - - - - - - - - - - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/