From owner-freebsd-questions Thu Feb 25 11:15:17 1999 Delivered-To: freebsd-questions@freebsd.org Received: from bingsun2.cc.binghamton.edu (bingsun2.cc.binghamton.edu [128.226.1.6]) by hub.freebsd.org (Postfix) with ESMTP id BE70214CC7 for ; Thu, 25 Feb 1999 11:15:13 -0800 (PST) (envelope-from bf20761@binghamton.edu) Received: from localhost (bf20761@localhost) by bingsun2.cc.binghamton.edu (8.8.7/8.6.9) with SMTP id OAA06140; Thu, 25 Feb 1999 14:14:42 -0500 (EST) Date: Thu, 25 Feb 1999 14:14:41 -0500 (EST) From: zhihuizhang X-Sender: bf20761@bingsun2 To: Andrew MacIntyre Cc: freebsd-questions@FreeBSD.ORG Subject: Re: A multi-OS Installation of FreeBSD 2.2.8 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 25 Feb 1999, Andrew MacIntyre wrote: > On Tue, 23 Feb 1999, zhihuizhang wrote: > > > I have posted similar messages some time ago and I have not figured out my > > problem since then. My machine already has Windows-NT, DOS, Linux > > installed on it. I tried to install FreeBSD at the last primary partition > > which is 1.4Gig. Everthing went soomthly except when I reboot the machine > > and let system commander to choose the partion labeled as BSD to boot > > from, I got the "read error" message and the system hangs. > > Have you tried using a boot floppy and attempting to mount the hard disk > partition containing your FreeBSD installation? This might give an > indication as to whether your machine's BIOS or System Commander > doesn't like the FreeBSD partition or there's some other problem. No. How to mount? I can not run FreeBSD on that machine yet. > The only thing that comes to mind is that there is/was a requirement that > bootable partitions (or perhaps the OS boot code at least) had to be > within the first 1024 cylinders. Depending on the BIOS settings, some > BIOSes remap drive geometries so that the whole disk appears to > unsophisticated boot code/OSes to have <=1024 cylinders, which avoids the > problem. I don't know whether System Commander is capable of working > around such BIOS limitations. You also don't say how big the drive is - > if its greater than 8.4GB (which will remap to >255 heads with 1024 > cylinders) then its not inconceivable this might be part of your problem. > FreeBSD 2.2.8 itself will not have any problems with such a large drive > though. > I got three primary partitions in my machine and the FreeBSD is the last. I tried to setup the primary master disk in BIOS as follows: type size clyls head precomp landz sector mode user 6449 784 255 0 13327 63 LBA --- (All the numbers come out automatically when I select LBA mode) But I got the same error message (I did reinstall FreeBSD after this) - "read error". I hope someone can give me more hints. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message