Thanks mate - more food for thought!
> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, 7 September 1999 11:55
> To: [EMAIL PROTECTED]
> Subject: Re: [newbie] Multiple CPU (2 Celerons or one Pent-3)
>
> On Tue, 7 Sep 1999 09:03:13 +0800 , Aaron deRozario
> <[EMAIL PROTECTED]> wrote:
>
> >A few more questions.
> >
> >Overclocking a Celeron - I know a lot has been written about this in a
> lot
> >of places but 1 quick question - I know overclocking voids the Intel
> >warranty (in fact I think running dual-Celerons voids the warranty also -
> I
> >might have read that on Slashdot) but can it actually fry the CPU, or
> does
> >it just make the system unstable? I have also read (RedHat site
> perhaps?)
> >that Linux does not take kindly to overclocked systems because it has a
> >faster kernal and therefore more susceptible to system timing problems.
> Is
> >this still true?
> >
>
> There are claims that it will shorten the life of the CPU. If you
> have to bump up the voltage on the CPU the dopants, trace impurities
> in the silicon that makes it an semiconductor, will migrate and
> eventually kill the transistors. Then there is the problem of extra
> heat created by running it at a higher clock rate. The heat in a
> transistor is generated by changing states. If you change states more
> times per second you will generate more heat.
>
> I managed to get to 92MHz from 66MHz without raising the voltage
> applied to the CPUs. I did stick in an extra fan in my case to
> increase the air flow in my case. So it stays under 40 C in the case,
> the motherboard reports the CPUs are running at about 50 C. A little
> warm but not too bad. (Has anybody got KLM to work for them? I would
> love to keep track of the CPU temperature in Linux.)
>
> I haven't had any problems with Linux. Windows 2000 gave me a few
> problems. So I would say that Win2k doesn't take too kindly to OC.
>
> >Some of you mentioned that SCSI gives a much higher performance than IDE,
> >especially when dealing with multiple requests. IF I have 4 IDE devices
> on
> >4 separate channels (as opposed to two), can Linux make a request to each
> >device concurrently? How does this differ from the way SCSI makes
> requests
> >to drives?
> >
>
> It might work but I am not the one to ask on that. From what I have
> read and my experience SCSI is still better when you are hitting the
> drive with multiple requests. I haven't read up on the changes made
> with UDMA66. I think I read some place there were a few on the
> request queue problem.
>
> >For PBen - SLab runs on Linux. Have a look at
> >http://www.llornkcor.com/SLab/SLab.html As the web site says it takes a
> bit
> >to learn. I am still very much in the learning stage at the moment. I
> need
> >a month off work so I can sit down and learn.
> >
>
> Thanks I will check it out.
>
> PBen
