*BSD News Article 38106


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From: nate@bsd.coe.montana.edu (Nate Williams)
Newsgroups: comp.os.386bsd.questions
Subject: Re: NMI Errors
Date: 19 Nov 1994 20:39:35 GMT
Organization: Montana State University, Bozeman  Montana
Lines: 34
Message-ID: <3alnq7$57s@pdq.coe.montana.edu>
References: <RJS.94Nov18220854@ferroday.demon.co.uk>
NNTP-Posting-Host: bsd.coe.montana.edu

In article <RJS.94Nov18220854@ferroday.demon.co.uk>,
Robert Swindells <rjs@ferroday.demon.co.uk> wrote:
>
>I am getting a lot of NMI errors on my machine running FreeBSD 1.1.5.1.

>The error message reads: "NMI port 61 a0, port 70 ff, port 461 ff"
>
>The comments in the source state that this could be due to bus-master
>timeouts or parity errors.
>
>I only started getting the errors when I added the SCSI card, but it
>could be just pushing the memory harder than before.

Possibly.  What is the bus-speed?  Is it at least 8 Mhz?

>I have cured it for now by removing 8Mb of memory, but was wondering
>if the error message would allow me to locate it more precisely than
>that.  This RAM is all chips not SIMM, and I have several Mb that are
>currently unused, but it makes it easier if you know which chips to
>pull out.

If you can find an answer to your question I'm all ears, since I've had
this problem with my box since day 1.  I have not been able to track
down which module is bad and I've been trying to find out how for over 3
years.


Nate

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