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Overclocked Pentium III Processor

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10 replies

by tehseen_khan

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Some days ago I bought a Pentium III 667 Mhz/133 Bus Processor. With the help of a utility I found that the processor I purchased was in fact an overclocked 500 MHz/100 Bus processor though the bios shows it a 667 MHz/133 bus processor. Now I want to run this processor to its original speed. Can anybody help me doing so.

10 replies

by dmiles

You can do this with from the BIOS configuration

Boot computer and press designated key to enter setup

Select the Advanced menu and in the configuration,highlight the CPU and then use the Page Up or Page down key to set the prefered CPU,with PIII,if this is a jumperless motherboard ,the core voltage will change to compatible CPU speed

You will need to select the Bus Speed if you want to change the FSB speed

What you have is a store that is selling the over clocked CPU at the price of the 667 speed,if you find this to be true in your findings,then I would suggest returning the CPU for the OEM version

See the motherboard manual for setup configurations

You will most likely see a performance decrease in the system

by tehseen_khan

Thanks for replying. But My motherboard niether has any jumper for setting the speed of CPU nor any bios settings for the same, instead it auto detects the CPU speed.

by thechas

Why do you want to make this CPU work?

If it is indeed a 500 MHz 100MHz bus CPU, you are getting about 65% of what you paid for.

Unless you got a great deal, I would demand the correct CPU.

To gauge the deal that you got, check CPU prices at www.pricewatch.com

Chas

by thechas

By the way, what utility are you usig?
Intel has their own CPU identification utility.

I would see what that ID's the CPU as before doing anything else.

Chas

by tehseen_khan

Thanks for reply. I am using the same Intel's utility and Intel warns that running a CPU at a higher speed by overclocking it could harm the system and make the CPU unstable.

by thechas

There used to be a problem back in the 386 / 486 days of vendors performing their own benchmark tests, and re-labeling processors.

All modern CPUs report their ID to the BIOS and the OS, so that they cannot be accidentally overclocked.

I am wondering if there is a reporting error between your BIOS, and the new CPU.
Check with the motherboard manufacture,and see if they have an updated BIOS for your board.
Before installing the new BIOS, see if they have a revision list of waht has been updated, and see if CPU problems are part of the fixes.

It is a little unusual to not have manual settings for the clock and multiplier settings.
Could you provide the make and model of your MB so I can review the settings myself?

One final thought;
Do you have a temperature monitor utillity?
If so, I would watch the CPU temperature.
If it actually is overclocked by 33%, it should be producing significant heat.
If the temperature stays below 105 F, I would not worry about it.
It may be a bug in the Intel utility.

Chas

by tehseen_khan

You took a lot of botheration to answer me. Thanks anyway. But this is not the case with me. I really bought a cpu which is actually P-III 500 MHz and is overclocked at 667 MHz and is detected 667 MHz on all of the boards.

by bonfire

Since u mentioned it is a P3, i would assume the overclocking are done thru jumpers on the motherboard instead of the BIOS. You will need to indentify your motherboard model so u can get a copy of the manual from the manufacturer on the web.
Without the manual you wouldnt be able to do anything not to mention knowing which jumpers on the motherboard to set.

by tehseen_khan

Thanks for taking botheration to answer me. It is done manually I know, but how that is the question. I dont know whehter it is done by some sort of machines, etc.

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