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Article #668

Re: Problems with Pentium II 450 MHz and Linux?

#668
From: Cokey de Percin
Date: Tue, 13 Oct 1998 00:00
48 lines
2718 bytes
Michael Lee Yohe wrote:
> 
> paul wrote in message <6vf66s$9k0$1@ftp.curtin.edu.au>...
> 
[snip]
> 
> >I just installed Linux on a 333 Celeron processor and am overclocking it to
> >550MHz (5x112MHz) on a 100MHz Asus motherboard with 512Mb RAM.  It has a
> >Adaptec 2940UW scsi controller running Ultra Wide Connectors to two 9.2Gb
> UW
> >7200 rpm SCSI DISKS.  Oh and it has a Glint 4000 video card just for fun.
> 
> One thing: Intel clock locked the Celeron processor.  You can't overclock
> the Celeron (a) processors because the L2 cache (128KB) embedded within the
> core of the processor runs at full processor speed.  550MHz would take out
> the cache in a heartbeat (Intel has many problems keeping the cache stable
> at 333MHz).
>

Hmmm.. I believe you're incorrect.  I don't know about this particular
instance, 
but I do know that the 300A is overclockable by increasing the BUS
speed, not the
MULTIPLIER (which is locked), to 450mhz. The 300A is built for a 66mhz
bus and 
there are a number of MB that allow it to be run at 100mhz with no
problems.  A 
few people have needed to increase the voltage .1 volts or so to get
them stable, 
but most just plug and play.  I've seen a number of references to
running the 300A 
on a 112mhz bus for 504mhz, but I haven't seen any comments on stability
or voltage
changes.

As for OCing a 333, I can't comment, though I'm reasonably sure you
could OC one
to at least 450 or so.  

[big snip]
  
Cokey

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From: Cokey de Percin <cokeydepercin@pmsc.com>
Subject: Re: Problems with Pentium II 450 MHz and Linux?
Date: 1998/10/13
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