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Date:      Fri, 19 Apr 1996 13:51:06 +0930 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        vazquez@IQM.Unicamp.BR (Pedro A M Vazquez)
Cc:        questions@FreeBSD.ORG
Subject:   Re: reboots
Message-ID:  <199604190421.NAA17623@genesis.atrad.adelaide.edu.au>
In-Reply-To: <199604181714.RAA13641@kalypso.iqm.unicamp.br> from "Pedro A M Vazquez" at Apr 18, 96 05:14:22 pm

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Pedro A M Vazquez stands accused of saying:
> 
> Hello
> 	We assembled a PC with the following parts:
> 
> 	- Soyo Motherboard (triton chipset) with on board 256k write back 
> 	cache.

We use these boards.  They're good.

> 	- P133 
> 	- 2x8M EDO RAM

What speed on the RAM?  Note that EDO is a waste of money.

> 	FreeBSD 2.1.0-RELEASE installed without any problems but when
> we try to build a new kernel the system reboots as if someone pressed the
> reset buton. After trying out with some programs we found a very little
> program like flops (a simple FPU benchmark) does the same thing, the system
> reboots before the first result is printed. We have played with iozone
> with several file/block sizes and no problems ocurrs. This seems something
> related to hardware but we can't find out where to look for to ask the
> vendor to replace the defective parts. Could someone sugest tests/diagnosis
> or something to help us?

I'd be starting with your memory, and possibly cache.  Make sure you have
the BIOS set to automatically configure memory/cache timings too.

Note that we have had problems with several brands of memory in these boards,
we currently use Panasonic 60ns parts.

You will want to upgrade to 2.1-STABLE as soon as you get this guy
running, as the 2940 driver in 2.1-R has some problems.

> Pedro

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
]] High-speed data acquisition and      (GSM mobile) 0411-222-496       [[
]] realtime instrument control          (ph/fax)  +61-8-267-3039        [[
]] Collector of old Unix hardware.      "Where are your PEZ?" The Tick  [[



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