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Date:      Thu, 16 Mar 1995 11:19:18 +0200 (CET)
Subject:   Trouble with installing BSD on SCSI-drive (Peter Schmidt)
Message-ID:  <>

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                                                       Hamburg, 16-MAR-1995

I have serious trouble of installing FreeBSD on my PC, which is a
DX486/33MHz (Intel-Chip, GA-486 IM PCI,VLB,ISA Board). There is also a 
NCR53C810 SCSI-Controller and a Quantum 540 MB SCSI hard disk, on which I try to
install FreeBSD (no IDE-disks present).

What happens is:
Installing with the first boot-floppy works just fine. Trouble starts when the
system tries to boot from SCSI-disks. 
a.) It either crashes when booting with the
following message :

 Fatal trap 12: page fault while in kernel mode
: fault virtual address = ........
: fault code = supervisor read, page not present
: etc...

b.) Or I may get as far to be asked to insert the cpio-floppy, but when I get
into the Installation-Menu the machine crashes when I press any key.

Can anyone give me a hint what's going wrong?

There is another question I have.
Quantum specifies that this particular harddisk has
1054280 logical blocks (corresponding to 540 MB).
But when I get into the boot menu FDISK some different geometry is displayed
stating some 1075649 blocks but only 525 MB capacity. Somehow these numbers
don't make sense to me. Is this related to the problem above?

Thanks for any help in advance

Peter Schmidt
I.Institut fuer Experimentalphysik der Uni. Hamburg
Luruper Chaussee 149
22767 Hamburg
Tel: +40 - 8998-2139
e-mail :


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