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Date:      Mon, 29 Jun 1998 21:03:22 +0000
From:      Niall Smart <rotel@indigo.ie>
To:        Atipa <freebsd@atipa.com>, Niall Smart <rotel@indigo.ie>
Cc:        freebsd-smp@FreeBSD.ORG
Subject:   Re: PPro vs PII
Message-ID:  <199806292003.VAA02803@indigo.ie>
In-Reply-To: Atipa <freebsd@atipa.com> "Re: PPro vs PII" (Jun 29, 12:34pm)

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On Jun 29, 12:34pm, Atipa wrote:
} Subject: Re: PPro vs PII
> 
> > And  how is the DRAM access faster if both the P2 and PPro use a 66Mhz
> > system bus?
> 
> The P2's can use a 440BX chipset, which supports 100MHz Sync DRAM (7ns),
> while the best production Pro chipset is the 440NX (Natoma), which
> supports only 66MHz EDO (async) DRAM at 60ns. EDO is 200MB/sec, while
> 100MHz SDRAM is over 500MB/sec.

Yes, but benchmarks at tomshardware.com have already established
that the 100Mhz memory bus offers little improvement over the 66Mhz
bus on a PII.

Niall

-- 
Niall Smart.        PGP: finger njs3@motmot.doc.ic.ac.uk
FreeBSD: Turning PC's into Workstations: www.freebsd.org

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