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Date:      Mon, 19 Aug 1996 20:31:19 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Gary Bond <gbond@gulf.net>
Cc:        questions@freebsd.org
Subject:   Re: Page faults and memory types
Message-ID:  <Pine.BSI.3.94.960819202948.337J-100000@gdi.uoregon.edu>
In-Reply-To: <32180378.5AA5@gulf.net>

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On Sun, 18 Aug 1996, Gary Bond wrote:

> I tried to install FreeBSD 2.1.0  with 16MB of 60 ns RAM in my machine
> and I got numerous error messages relating to page faults. I put back in
> my 8MB SIMM 70ns and it installed just fine. The mmanufacturer of the
> memory said that the memory may be bad so they replaced it. The new 60ns
> SiMMs work greta under Win and DOS but still page fault under BSD but
> not
> LINUX ????
> 
> 
> Any ideas on what to do??  Does FreeBSD not read above 8MB for some
> reason??  Stumped in Florida.

The new SIMM is also bad.  I suggest finding another supplier.

FreeBSD tends to work memory more vigorously than other systems (including
Win95 and Linux) so hidden memory errors are more prevalent.  

I'd check your timings in BIOS setup and slow those down as well.  

Bad processor cache RAM will also cause erratic behavior.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major




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