From owner-freebsd-hackers Fri Jun 2 21:33:21 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id VAA21410 for hackers-outgoing; Fri, 2 Jun 1995 21:33:21 -0700 Received: from gndrsh.aac.dev.com (gndrsh.aac.dev.com [198.145.92.241]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id VAA21402 for ; Fri, 2 Jun 1995 21:33:19 -0700 Received: (from rgrimes@localhost) by gndrsh.aac.dev.com (8.6.11/8.6.9) id VAA09259; Fri, 2 Jun 1995 21:32:35 -0700 From: "Rodney W. Grimes" Message-Id: <199506030432.VAA09259@gndrsh.aac.dev.com> Subject: Re: Can't boot a new 2.0.5A system To: temp@temptation.interlog.com (Temptation) Date: Fri, 2 Jun 1995 21:32:35 -0700 (PDT) Cc: fcawth@squid.umd.edu, FreeBSD-hackers@FreeBSD.Org In-Reply-To: from "Temptation" at Jun 2, 95 10:40:40 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 1006 Sender: hackers-owner@FreeBSD.Org Precedence: bulk ... > > BIG CAUTION. The NCR controller does not always use the 32 sector 64 head > > translation that the adaptec does. I have found that the NCR is using > > 34 head 62 sector geometries on the 1 G drives I am using and not sure on > > the 535MB since I have not installed DOS on one of them to see. > > > > Be very carefull when trying to move from one controller to another, > > translation schemes vary between manufactures! > > it's not just Manufactures, I can't move a hard drive from 1542CF -> 1742 > -> 2742t/2940/2842 (adaptec) 1gig to 4gig, Maxtor/Seagate/Quatum/Fuj/Toshiba > and thats with all the cards being set up the same. You could have saved your self the grief if you would have left the >1G drive support translation turned off as recommended in the Adaptec documentation for using *all* of there controllers with Unix. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD