Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 16 Mar 2001 14:45:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 16 Mar 2001 14:45:46 -0500 Received: from ruthenium.btinternet.com ([194.73.73.138]:59544 "EHLO ruthenium") by vger.kernel.org with ESMTP id ; Fri, 16 Mar 2001 14:45:27 -0500 Date: Fri, 16 Mar 2001 19:44:31 +0000 (GMT) From: X-X-Sender: To: John Heil cc: Subject: Re: IDE UDMA on a CMD-648 Chip In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 16 Mar 2001, John Heil wrote: > I've acquired a UDMA66 capable IDE card with a CMD-648 chip, > which is supposed to provide me with ide2 and ide3. > ide2 is empty and ide3 has a writeable cdrom and an IDE zip > drive on it. > However, it indicates that since it... > 'Can't find a UDMA66 capable device' > it is 'Disabling the UDMA66 bios'. Ok, the devices you mentioned above are not UDMA66 capable, so the controller dropped to UDMA33 capabilities. Nothing wrong there. > I'll be upgrading this machine to 2.4.n-whatever in about 3 wks but... > ...I'd like to get the 2 devices operational on this or > some other 2.2.x, before that, if I can. cmd648 seems to be supported in in 2.4. (drivers/ide/cmd64x.c) This hasn't been backported to 2.2.x. So either backport it, or upgrade to 2.4 > I am hoping to circumvent the bios. I assume it will involve some > measure of IDE initialization which I don't mind coding if > it does not exist yet. Well the hard part has already been done for you :) regards, Dave. -- | Dave Jones. http://www.suse.de/~davej | SuSE Labs - 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/