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Date:      Thu, 18 May 1995 14:28:58 -0700 (PDT)
From:      "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>
To:        rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes)
Cc:        james@miller.cs.uwm.edu, FreeBSD-hackers@FreeBSD.org
Subject:   Re: Help!
Message-ID:  <199505182128.OAA15190@gndrsh.aac.dev.com>
In-Reply-To: <199505182034.NAA15099@gndrsh.aac.dev.com> from "Rodney W. Grimes" at May 18, 95 01:34:55 pm

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> 
> [Moved to hackers list, please don't double post!!!]
>  
> > > > related but I have no idea.  I have now disabled the external cache and I
> > > > am trying the make world again...  It is a lot slower...
> > > 
> > > If this is not the ASUS board, ignore me!!
> > > 
> > > I have qualified and done extensive testing on the ASUS Triton board, it
> > > does work.  To this day I have probably completed over 100 make worlds
> > > on these boards.  I see you are running a 100Mhz CPU chip, are you also
> > > running 60nS DRAM as required by the motherboard book.  Have you left
> > > the BIOS settings on the default values, or have you tried to speed
> > > things up by tweaking them??
> > 
> > I am running 32 Meg of 70ns EDO DRAM (this was all that was available a
> > month ago) with 12ns async cache with a SuperMicro mother board and AMI bios.
> > I havn't tweaked much of anything.  I think the problem might be the external
> > cache speed in my case.  My system has been running for almost 2.5 hrs now with
> > the external cache disabled and make world is just about finished.
> 
> Unless SuperMicro has pulled some time out of the memory setup in the
> chip set you *MUST* run 60nS Simms, I don't care if they are EDO or not,
> I was able to get 60nS EDO a month ago, but not in 16MB parts.  I have
> rumor that Samsung is now making EDO in 50, 60 and 70nS parts.

I just came up with something I should have had you try in the first
place.  Reset the motherboard for a 90Mhz CPU instead of turning the
cache off.  This will let us know if it is memory speed problems due
to using 70nS parts with a 100Mhz CPU.

I feel so stupid for not thinking about this before <:-(.

-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation Company                   Custom computers for FreeBSD



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