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From: jan@targon.UUCP (Jan van Zeggelaar)
Newsgroups: comp.os.minix
Subject: Re: NMI during boo
Message-ID: <1743@targon.UUCP>
Date: 13 May 91 12:44:47 GMT
References: <1991May2.221459.7701@hubcap.clemson.edu>
Organization: Siemens Nixdorf Informationsystems BV.,SWZ, Vianen, the Netherlands.
Lines: 42

Hello out there. This is also my first posting to the net, so bear with me too.

In article <1991May2.221459.7701@hubcap.clemson.edu> tboatma@hubcap.clemson.edu (Tommy Boatman) writes:
>Hello All (this is my first post so please bear with me)
>
>I just became the proud owner of the MINIX demo disk for the IBM PC.
>I got the file written to a disk and then tried to boot it.
>At first everything seemed fine...but when i typed u to start MINIX
>The system gave me a message at the top of the screen that read
>
>Nonmaskable interrupt
>process number -9, pc=0x0060:0x00005c95
>
>Kernel panic: exception in kernel, mm or fs
>Type any key to reboot
>
>after typing a key the machine does a warm boot and the cycle goes on.
>I have an IBM clone that I put together myself with various parts.
>Is there any hope of me getting it to run (I remember reading that
>MINIX may not work on clones) on my system, or should I give up?
>Thanks a bunch for any help anybody can give me.
>
>-tommy

I also get this error. I have an AT with a so called passive backplane. As 
long as my 80286/12Mhz board 'powered' my computer MINIX worked with no real 
problems. Because of lack of memory I bought a 80386/20Mhz with 2 Meg memory
Now I also get the message described above. The funny (well not that funny) 
thing is that everything is running perfectly on almost (it must be almost)
the same AT at work. The only difference I spotted is that my processor-board
is a newer versioni, 20 Mhz instead of 16 and 2 Meg piggyback memory instead
of a lot of SIL chips on the board itself.
It may be that I also have a different controler board.

Both are however officially the same type of computer and give no problem 
with MS-DOeSn't. The computer type is Nixdorf M55 but it spells NCR al over
the printed circuits. I have, of course, removed all modems & mouses. I even
uninstalled the harddisks and tried booting from floppies. Nothing helped.

Can anyone out there help me out, thanks in advance,

                Jan Z.