What's the maximum speed P3 500 can run at?

[Gene]

If anybody overclocked their P3 500, please include the speed that it runs at and the motherboard that you used with it.

Thanx

[Dimarini]

My P3 500 runs very stable at 585. I ran Prime95 for 24 hours with no crashes. I won't boot at 620 with the L2 enabled. With the cache disabled I have hit 645.

This is with an ABIT BX6R2.


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Mike
www.monster-machines.com

[Gene]

Dimarini,

How do you disable L2 cache?

[JF]

mine runs stable at 585 with a FAB24 heatsink and fan. just got my mc2000 and am setting up my new sc750 case for it. should have it in within the next week. just solder my stuff on my bx6r2 board to read internal temp of cpu. I hope to hit 627 with L2 enabled. I'm not sure on exactly how to disable the L2.

[Baloneyflaps]

You can usually disable your L2 cache through your BIOS settings.

[mollov19]

Well I saw In internet a snapshot of WCPUID with 500@994MHz(124x8) - I'm not sure how did they jump the multiplier, but.....!!!!
That's with Kryotech cooling sustem!!!!!!!
The L2 cache can be disabled like that:
Bios> Advanced Settings> L2 cache( on or off)

[Dimarini]

on my ABIT BX6R2 the third setting down on the left side of "BIOS FEATURES SETUP" is CPU LEVEL 2 CACHE, just set it to disabled.


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Mike
www.monster-machines.com

[Diogenes]

If you want to run with L2 disabled, you might want to do some comparative benchmarking to see at what point you break even. CPU at 645 may not perform any better without L2 than 585 with it... Something to think about..

[Dimarini]

Diogenes is right about that, at 585 with L2 enabled I get better performance in almost every catagory than at 645 with L2 disabled.

All that I was trying to show here is that the L2 cache is the limiting factor in overclocking the P3.

And that you can reach higher overclocked speeds with the L2 disabled, but most likely lower performance than with the L2 enabled and cpu running at a higher speed.

If you supercooled the CPU and disabled the cache you could get close to 1G I imagine.

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Mike
www.monster-machines.com

[This message has been edited by Dimarini (edited 08-30-99).]

[Diogenes]

Good point from you also Dimarini, I have found the L2 to be a limiting factor with several Celerons I have experimented with..
If disabling L2 allows you to clock higher, then you have probably found your limit...


I believe this is part of the limiting factor that Intel manages to control... I also believe that when Intel has a supply side problem with lower clocks, they meet the demand with the higher chips.. That's why we saw so many 300's doing 450, and now the 366 doing 550...