I need help in OC Intel PIII 667MHz CPU...

[boby1234]

I'm kinda new to this overclocking buisness. I read all the tutorial on the site and I feel ready to do my first overclocking. I just have a small problem beggining: as I read, I tried to set the "CPU Speed" to "manual" but I can't seem to get to this option, the BIOS doesn't let me get up to the option so I can change it.
I also need to mention that I have an Asus VIA chipset motherboard.
So my question is, how can I get to this option and change it?

[The Doors]

Welcome boby1234,
I'm not very experienced on CUV4X-... but probably there's a jumper to set on Mobo, or better, something into Bios that unlock the Fsb.

I hope it helps you :-)

[KILLorBE]

You need to set the DIP switches to off. Look it up in your manual (I think 7,8,9 and 10 are for frequency).

**NOTE** You probably need to set a jumper and all the DIP switches to off.(jumper free mode)

[boby1234]

KILLorBE (Jul 19, 2001 05:54 p.m.):
You need to set the DIP switches to off. Look it up in your manual (I think 7,8,9 and 10 are for frequency).

**NOTE** You probably need to set a jumper and all the DIP switches to off.(jumper free mode)


I'm Kinda new to all of this and I don't really understand what are "DIP switches" and "to set the jumpers". Are these thing in the BIOS or are they things in the hardware that I need to open the case and mess around with?

[freshy98]

Are you really sure you are ready to begin overclocking? If you don;t know **** about jumpers and/or DIP switches and adjusting settings with it, or in the BIOS, forget it!
Try learning more about your motherboard first and how it works.
I think it is very dangoures if you would overclock already.

At least, that's my view on it.

[Pinky]

boby1234 (Jul 20, 2001 04:41 a.m.):
KILLorBE (Jul 19, 2001 05:54 p.m.):
You need to set the DIP switches to off. Look it up in your manual (I think 7,8,9 and 10 are for frequency).

**NOTE** You probably need to set a jumper and all the DIP switches to off.(jumper free mode)


I'm Kinda new to all of this and I don't really understand what are "DIP switches" and "to set the jumpers". Are these thing in the BIOS or are they things in the hardware that I need to open the case and mess around with?

I won't say much about the prior post. If you're willing to learn, well that's why I'm here.

Dip switches and jumpers are connectors on the motherboard that will allow you to manually change different settings. I do agree that a review of your motherboard manual would be helpful, as I cannot tell you everything about everything. My fingers would fall off and you'd get tired after the 40th page... but I can tell you that no concept is beyond your reach. Read up on jumpers and switches for the motherboard, check back, and we can take it from there.

[funnyperson1]

you really dont need to know much about jumpers, just when i got my ASUS Via chipset based mobo, i set it up reading the manual, just look in the manual and check which jumpers you must change to fix it into "Jumper Free Mode", the manual should have nice black/white pics to help you along :) happy ocing!!!!

[boby1234]

Thanks everyone for your great answers.
I agree I have to learn some more about my mother board, so I will. And then I will try messing with the jumpers and everything.

expect me in about a week, with my first set of problems...

[boby1234]

OK, got a problem.

I read the book the came with my motherboard, to understand a bit more about it, and to see what are DIP swiches and jumpers. So I decided to open the case and try to do what you told me, and what what written in the book - to get to JumperFree mode.
So first I needed to turn off all the DIP swiches - no probelm. found them and turned them off. My problem is with the jumper, I just can't locate it. I saw it in the book on my motherboard but when I actually look at my motherboard I can't see it anywhrere.
What is the problem, why can't I locate the Jumper?

[The Doors]

If you don't found Jumpers on Mobo, probably, you must set only the Dip switch (for Jumperless) and after enter into Bios to set the desidered Fsb in the section of the Cpu setting (it seems to be upper on the right panel of Bios).
Let me know if works :-)

[boby1234]

After I didn't find the jumper I also thought that I don't need it and only to set the DIP swiches to off, but it didn't work and nothing changed in the BIOS...

So can anyone help me?

[boby1234]

Never mind about my last post.
I found the jumper, changed it to JumperFree mode, changed the CPU speed to "manual" and I can now change the pci frequency. And I got a few more questions:
What should I turn the frequency too? Do I increase the frequency by going up or down in the pci frequency option?
And my second question is, what is a good program to see how much Mhz I have, so I can notice the changes...

[funnyperson1]

start at 100MHZ fsb then go slowly up, until it becomes unstable, or doesnt boot.....get sandra, and mbm 5 both monitor your temps, and your cpu speed,you could probably get to 133MHZ fsb :)

[The Doors]

Yes, funnyperson say's right,
but for 133Mhz of Fsb you must set an higher voltage, look the CpuDatabase about your chip for more info.
to check the frequency the best is WcpuID, you found it at http://www.h-oda.com/

[KILLorBE]

funnyperson1 (Jul 23, 2001 04:48 p.m.):
start at 100MHZ fsb then go slowly up, until it becomes unstable, or doesnt boot.....get sandra, and mbm 5 both monitor your temps, and your cpu speed,you could probably get to 133MHZ fsb :)The Doors (Jul 23, 2001 on 05:01 p.m.):
Yes, funnyperson say's right,
but for 133Mhz of Fsb you must set an higher voltage, look the CpuDatabase about your chip for more info.
to check the frequency the best is WcpuID, you found it at http://www.h-oda.com/

Both made a mistake, a 667 already runs @ 133 FSB.
Every time you go up a bit stress your CPU using Prime95 (d/l it here (http://www.mersenne.org/freesoft.htm)) and watch your temps using MBM5 (d/l it here (http://mbm.livewiredev.com/)), you should try to keep it under 50C @ full load.
And I suggest you get familiar with MBM5 first, look in BIOS what your idle temp is, then check MBM5 temps @ idle (MBM5 will probably report a little lower temp, you can compensate that in MBM).

[theflyingrat]

Another snippit of information that may be usefult to you, bob. Before you go too far from your default 133 MHz, check your memory. chances are, you have medium-grade PC133 CL3 memory. This is fine for running a machine at default speed, but to see much performance gain, you'll be looking at a minimum of 140MHz Front side bus speeds. This, in turn, changes your memory speed to 140MHz. Above 140 MHz, it may not be too long before your memory starts going wacky on you. It's probably best to find some good-quality PC150 or PC166 memory. Companies like Mushkin and Crucial sell this, and it's well worth the relatively small investment. Good luck!