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Date:      Mon, 5 May 1997 16:09:30 -0700 (PDT)
From:      Tom Samplonius <tom@sdf.com>
To:        Chris Timmons <skynyrd@opus.cts.cwu.edu>
Cc:        Andrzej Bialecki <abial@korin.warman.org.pl>, freebsd-hackers@freebsd.org
Subject:   Re: SMP hardware recommendations
Message-ID:  <Pine.NEB.3.94.970505160445.29377E-100000@misery.sdf.com>
In-Reply-To: <Pine.BSF.3.95.970505153046.12683H-100000@opus.cts.cwu.edu>

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On Mon, 5 May 1997, Chris Timmons wrote:

> You should be aware that ASUS P/I-P65UP5 among many other ASUS boards will
> not work correctly with very high density SIMMs - particulary 64MB modules
> which have more than 24 chips per module.  This is stated in the
> motherboard documentation.

  You must mean very low density.  If they were high density parts, there
would be less chips.

  Personally, I find SIMMs with high chip counts to be highly suspect.

  Also, that particular motherboard has 8 SIMM sockets, which gives you a
256MB max with 32MB simms, and expansion to 512MB once better SIMMs are
available.

> Does anybody have a good source of 16x36 SIMMs built from fewer than 36
> chips per module?  I have several P6NP5 (uniprocessor) boards that work ok
> with two of these modules (128MB) but can't seem to handle 4 of them at
> once (for 256MB).  I've ordered a Tyan board to experiment with, as I have
> quite a few 36cpm 64MB SIMMs around. 
> 
> ASUS says their boards support 64MB SIMMs but I wonder if that is
> "theoretically, if you can find 64MB simms made of 24 or fewer chips per
> module" ???
> 
> -Chris

Tom




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