Date: Sat, 29 May 1999 10:10:02 -0700 (PDT) From: Zach Heilig <zach@uffdaonline.net> To: freebsd-bugs@FreeBSD.org Subject: Re: i386/11926: Boot manager only beeps at selecting bootable FreeBSD-partition Message-ID: <199905291710.KAA18964@freefall.freebsd.org>
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The following reply was made to PR i386/11926; it has been noted by GNATS.
From: Zach Heilig <zach@uffdaonline.net>
To: dalroi@wit401310.student.utwente.nl
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: i386/11926: Boot manager only beeps at selecting bootable FreeBSD-partition
Date: Sat, 29 May 1999 12:07:02 -0500
On Sat, May 29, 1999 at 09:01:10AM -0700, dalroi@wit401310.student.utwente.nl wrote:
> I expect the start of the FBSD-3.2 partition is before cylinder 1024,
> but I'v not found a way of checking, yet.
This happened to me when I installed a new disk (intended to be the boot
disk). The bios had set the disk to "proper" parameters
(8912 cylinders/15 heads/63 sectors), and windows used that for writing the
initial partition table. I had to change some parameters in the bios, and
repartition the drive before re-installing everything.
The way to figure out the partition info is:
$ fdisk wd0
******* Working on device /dev/rwd0 *******
parameters extracted from in-core disklabel are:
cylinders=557 heads=240 sectors/track=63 (15120 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=557 heads=240 sectors/track=63 (15120 blks/cyl)
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 11,(DOS or Windows 95 with 32 bit FAT)
start 63, size 4006737 (1956 Meg), flag 0
beg: cyl 0/ sector 1/ head 1;
end: cyl 264/ sector 63/ head 239
The data for partition 2 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
start 4006800, size 4415040 (2155 Meg), flag 80 (active)
beg: cyl 265/ sector 1/ head 0;
end: cyl 556/ sector 63/ head 239
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
--
Zach Heilig <zach@uffdaonline.net>
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