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From: Terry Lambert <terry@lambert.org>
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Subject: Re: performance puzzler
To: gurney_j@resnet.uoregon.edu
Date: Sat, 1 Feb 1997 14:51:50 -0700 (MST)
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In-Reply-To: <Pine.NEB.3.95.970131204506.27974G-100000@hydrogen.nike.efn.org> from "John-Mark Gurney" at Jan 31, 97 08:53:37 pm
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> > Your bus on the 120 is 3MHz slower than the bus on the 66.  What you
> > are doing is not I/O bound, it is CPU bound.
> 
> umm... this usually isn't true...  most of the non 33mhz bus speeds (for
> 486 based chips) are actually 40 mhz or 50mhz...  the amd-486/120dx4 is
> actually a 40mhz bus multiplied by 3...  it's kinda like the Intel
> 486/100dx4...  the chip is actually 3x bus speed (33mhz)...

Memory bus, or I/O bus?

The PCI and EISA standards specify 33MHz as their top end.



					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.