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Date:      Mon, 24 Feb 1997 19:12:59 -0800 (PST)
From:      asami@vader.cs.berkeley.edu (Satoshi Asami)
To:        mark@quickweb.com
Cc:        kuku@gilberto.physik.rwth-aachen.de, robsch@robkaos.ruhr.de, freebsd-hardware@freebsd.org
Subject:   Re: Memory speed of P6-200 (256k)
Message-ID:  <199702250312.TAA02667@silvia.HIP.Berkeley.EDU>
In-Reply-To: <Pine.BSF.3.95q.970224210037.6213D-100000@vinyl.quickweb.com> (message from Mark Mayo on Mon, 24 Feb 1997 21:02:35 -0500 (EST))

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 * From: Mark Mayo <mark@quickweb.com>

 * > > 2097152000 bytes transferred in 27.298230 secs (76823735 bytes/sec)
 * > > The motherboard is a P6NP5 (Natoma chipset) with 64 MB EDO-RAM.

 * > This is from my P6NP5:
 * > 2097152000 bytes transferred in 25.741665 secs (81469167 bytes/sec)      
 * 
 * While we're at it, here are the results fom my Intel 440FX(Natoma) P6-200
 * 2097152000 bytes transferred in 24 secs (87381333 bytes/sec)
 * 
 * My first generation PPro 150 from Digital only musters ~60MB/s..

Hmm, how come my new P6NP5 with P6-200 and 96MB RAM (parity mode) can
give me only about:

>> dd if=/dev/zero of=/dev/null bs=1m count=1000
1000+0 records in
1000+0 records out
1048576000 bytes transferred in 18.359226 secs (57114390 bytes/sec)

I tried fiddling with the "RAS precharge" and "RAS to CAS delay" in
the BIOS setups but the numbers hardly changed (always between 57MB/s
and 60MB/s).

Did I get a "first generation" 440FX or something? ;(

Satoshi



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