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Date:      Mon, 12 Jan 1998 11:46:50 -0600 (CST)
From:      Kevin Day <toasty@home.dragondata.com>
To:        lukas@design.de (Lukas Wunner)
Cc:        mountin.man@mixcom.com, lukas@design.de, lem@cantv.net, freebsd-isp@freebsd.org
Subject:   Re: [fbsd-isp] Designing for a very large ISP
Message-ID:  <199801121746.LAA20424@home.dragondata.com>
In-Reply-To: <19980112120742.56306@reactor> from Lukas Wunner at "Jan 12, 98 12:07:42 pm"

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> > Since you have a Tyan, what about the S1668 Titan Pro for the
> > PPro with 5 PCI slots and up to 1 Gb of memory?
> 
> Have you actually *tested* if this board will grok 1GB of memory or are
> you just saying this out of the blue, based on the specs published by
> Tyan? If the latter is the case, let me assure you that Tyan's specs
> aren't worth a penny when it comes to accurateness. The Tomcat III board
> is advertised to support 512MB of RAM, which would be sufficient for our
> news machine. However, in contrast to the specs, it actually only supports
> a maximum of 256MB of RAM which is not sufficient. I have tested this with
> lots of different types of SIMMs and with several permutations of these
> SIMMs to no avail. If the machine has been turned off for a while and is
> cold, it will (unreliably) report either 256MB or 288MB. In all other
> cases, it will report 256MB on bootup. Michael Beckmann has reported
> a similar problem: he didn't even manage to get the Tomcat III to work
> with 256MB of RAM (the system didn't run too stable). Downgrading to 192MB
> would solve the problem.

I had the same problem with the III's... The IV's can handle it correctly.
The problem with the 3's was having a higher chip count per simm than tyan
allowed. (if you read between the lines on their specs)... You *can* get
256MB to work on a III if you use simms with very few chips per somm.

Kevin



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