P3 ocing

Discussions and help regarding overclocking, motherboards, peripherals, AMD and INTEL CPU's
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vortex
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Post by vortex »

Hey Dudes!
I got a problem with my P3/600@672 on an ASUS P3B-F...As you might guess, it won't go any higher than 112 FSB without loosing stability... I somehow can't change the multiplikator although I wanna go higher and the thing is still really cold. I've heard about the multiplikator being looked, so does anyone know what to do? I guess so, cause I don't think you are running those GhZ guys with 166Mhz FSB *g*!
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dadx2mj
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Post by dadx2mj »

There really is no way to change the multiplier on Intel chips. I am suprised you are running into problems at 672Mhz. I have a 600@840 with a Gloabl Win VOS-32 and default voltage on an Asus P3V4X. IF your cooling is good about the only thing you can do is up Vcore vlotage a little bit and see if you can push the FSB a little higher that way.
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hammer01
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Post by hammer01 »

There are many things that could be the problem (high AGP speed, bad memory, pci card not liking higher fsb, but it is not likely on any of these things as modern peripherals handle high bus speeds quite well) but we will need every bit og information you can give us IE memory brand and speed, cards being used and brands, bios settings, memory settings, hdd type, and the info on what you have tried so far.
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nexus_7
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Post by nexus_7 »

have you tried jsut flat out 133? if not give it a shot. have your ram set as slow as it will go and ad a little extra juice 2 the defult.

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vortex
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Post by vortex »

I got:
asus P3B-F MB
Pentium 3 600
Elsa Erazor 3 pro
Creative SBlive 1024
3com Etherlink XL 10/100 combo
internal Iomega ZIP 100
NEC Floppy 1.44MB
Teac CD 540E
2x 20GB HD by IBM
256MB SDRAM, Samsung I think.

Is there really no way of setting the multiplier? It would make it that much easier! I also tried running my system at 117Mhz FSB, but it got really unstable, showing lots of bluescreens... at 120mhz FSB it wouldn't even boot... I have moded my case with some fans and stuff, so my motherboard temperature usually is around 24°C while my CPU runs at 56°C, which I think is cold enough, considering that intel claims there ain't any problems with P3s until 80°C....
Thanks for the fast responses, I might not be around during the weekend since I am over at a small 80person LAN-party.
Speck102
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Post by Speck102 »

If dats a coppermine, I would look into better cooling. although I had one running at 733@ 1.8v perfectly stable with a generic hs/fan. maybe its your ram. make sure you set it to cas 3-3-3 and see if that helps.
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dadx2mj
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Post by dadx2mj »

I don't care what Intel says 56C is hot I hope that is fully loaded and not at idle. Either way I think you need better cooling. My 600@840 never goes over 37c under full load and usually is around 32-34C
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vortex
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Post by vortex »

at least that is what my sensors say... my motherboard is close to room temperature, so I guess my cooling is good enough, but my processor actually is at 50°C the moment I boot up... I guess there might be an error in the sensor display (mine or yours or intels)... can anyone give me a hint where I would have to attach a real thermometer-sensor for it to measure cpu temps? I got one so that would be no problem. After all, you can't always trust software, can you? I am still hoping someone knows how to get rid of that locked multiplicator thing!
vortex
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Post by vortex »

guess what!?!
After I read that remark on my temperature being high, I got curious: Some friends of mine actually have temperatures that reach those 80°C that Intel complains about... So I looked at some websites and ended up installing waterfall 123 :: :
IT MADE MY CPU TEMPERATURE DROP A WHOLE 25°C AT IDLE!!!
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dadx2mj
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Post by dadx2mj »

What kind of heat sink do you have? It is only my opinion but you should try and keep you CPU temp under 40c when running a full load. Idle temps are easy to keep low but what counts is how hot it gets when it is working hard.
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vortex
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Post by vortex »

When its at full load it still climbs up to 56°C... Although it cools down pretty quickly afterwards, you might be right, but what can I do about it? I already got loads of fans and I think that water-cooling is a bit risky in case of a leack...What about those orbs, are they any good?
By the way, you might wanna check what Intel says on processor temps... The link for the P3 is http://support.intel.com/support/proces ... rmal.htm#5
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dadx2mj
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Post by dadx2mj »

The orbs are better than stock but not that great but what can you expect they are cheap. Go for a Global Win or Alpha cooler. Also make sure that the ribbon ide cables are not blocking air flow and the case is neat so air will flow good. I used to have a case where the power supply hong right on top of the CPU and no matter how much I tried the CPU always ran hot. Those temp that Intel shows in the link are where you CPU will suffer damage to have a good stable over clock you need to stay well below those temps in my opinion.
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sethpa
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Post by sethpa »

Vortex, is that PC133 Ram? Also, You need a decent heatsink and fan combo or your asking for headaches. Get some thermal paste at Radio Shak also, or order it with your new heatsink. Keep us updated

good luck,
sethpa
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vortex
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Post by vortex »

I ahve 1 256MB PC133 Module...I am currently only running on fans...I don't know about getting a huge heatsink, because I actually got a lot of fans and included them in my casemod... I am currently setting up a website for that one, a bit like virtualhideout, only smaller...I have 3 80mm fans, 3 50mm fans and 5 35mm fans in a midi tower...So my problem is not getting cold air in, but getting hot air out...The power supply is huge in relation to the whole case. Can you actually recommend a combo (which one??)?
I appreciate this board a lot, keep it alive, YOU GUYS POSTING ON HERE RULE!!!
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