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Date: Sat, 9 Jan 1999 11:58:42 -0500 (EST)
From: Kenneth Wayne Culver <culverk@wam.umd.edu>
To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
cc: Bryan Seitz <phiber@udel.edu>, current@FreeBSD.ORG
Subject: Re: FreeBSD Celeron and Celeron ( Mendocino ) kernel patch.
In-Reply-To: <199901091622.LAA07272@khavrinen.lcs.mit.edu>
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> <<On Sat, 9 Jan 1999 11:12:20 -0500 (EST), Kenneth Wayne Culver <culverk@wam.umd.edu> said:
> 
> > Well, they are the same in that respect, but the Pentium II has cache in
> > the same package, and most Pentium II's aren't overclockable. The celeron
> > is.
> 
> That's OK -- we don't support overclocking anyway.
> 
> The Celeron does have a cache in the package, BTW.  The cache in the
> Celeron is this tiny little thing that is actually capable of running
> at clock rates of 250 MHz or higher; the actual CPU is a perfectly
> ordinary Pentium-II core of the sort that would be labeled as ``450
> MHz'' when coupled with a more expensive cache.  (According to my
> friend who does VLSI design.)  The Celeron chips are intentionally
> down-rated by Intel marketing to keep them from cannibalizing the
> high-end market.  (Remember when upgrading to a faster line printer
> meant that a SE would change a single belt?)
> 
> I think we should stick to identifying the core.

I wasn't disagreeing with that, I was just saying what I said about the
cache. Intel would have you believe that there is not any cache on the
Celeron.

Kenneth Culver


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