Where to go from here? 3+ ghz???

trOver

Golden Member
Aug 18, 2006
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This should sum it up:

Text



But whats next? My temps are good, its stable, and my vcore is as low as bios will let me. Problem is, whenever I go past 333fsb, it crashes. Is this becuase my pci and pci express lanes are set to auto? What should I set them to? And what should I set my chipset termination voltage to?
 

cmdrdredd

Lifer
Dec 12, 2001
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You should make sure your memory is set to 1:1 first to eliminate that. I mean, usually it's your memory limiting you more than other things. Set your PCI at 33Mhz and PCIe at 100Mhz. Set your termination voltage on auto for now. Set your Vcore higher or else you'll never get stable. Running it low may be what is causing your trouble. Try FSB 377Mhz 1.4v on vcore and memory at 1:1 ratio so you'll be running it at DDR2-754 (this is to remove that from being an issue). See if it's stable. That will give you 3.4Ghz (abouts) on the CPU frequency. Then you can adjust your memory speed and make sure you give it the proper voltage.
 

trOver

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Aug 18, 2006
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Originally posted by: cmdrdredd
You should make sure your memory is set to 1:1 first to eliminate that. I mean, usually it's your memory limiting you more than other things. Set your PCI at 33Mhz and PCIe at 100Mhz. Set your termination voltage on auto for now. Set your Vcore higher or else you'll never get stable. Running it low may be what is causing your trouble. Try FSB 377Mhz 1.4v on vcore and memory at 1:1 ratio so you'll be running it at DDR2-754 (this is to remove that from being an issue). See if it's stable. That will give you 3.4Ghz (abouts) on the CPU frequency. Then you can adjust your memory speed and make sure you give it the proper voltage.


Thanks, ill try this. Right now my memory is running 1:1 at 667mhz, and its rated for 1066

I think your right with the cpu vcore, im just not giving it enough.

results soon to come.
 

trOver

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Aug 18, 2006
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Booted to cmdrdredd's recconmendations and it worked perfect. Sitting at 3.4ghz @ vcore of 1.352

Idel temps are at ~50C, is this too high?

I am happy to stay at 3.4, anyone think i should push for 3.6?

EDIT: Under orthos stress test, im staying a little under 60C
 

cmdrdredd

Lifer
Dec 12, 2001
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Originally posted by: trOver
Booted to cmdrdredd's recconmendations and it worked perfect. Sitting at 3.4ghz @ vcore of 1.352

Idel temps are at ~50C, is this too high?

I am happy to stay at 3.4, anyone think i should push for 3.6?

EDIT: Under orthos stress test, im staying a little under 60C

That's fine. My E6400 even lapped with my Ultra 120 is getting upwards of 65c. Full on or lowest setting on fan makes no difference. Usually I keep it about half way.

Anyway now you can start working with your memory to see if you remain stable pretty well when you move that up to a higher Mhz. If you want to that is. You could always just run lower voltage and tighter timings at a lower frequency.
 

trOver

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Aug 18, 2006
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Good news:

Tried working my cpu voltage down, and I am down to stock volts and its running stable at 3.4

Temps went down significantly for idel, stayed the same for load. Ideling at ~47C and load high 50's

EDIT: NOT STABLE AT STOCK VOLTS

orthos fails in ~10 sec on both cores...

guess ill have to bump it up a notch. damn, 3.4 would have been impressive on stock...
 

cmdrdredd

Lifer
Dec 12, 2001
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Originally posted by: trOver
Good news:

Tried working my cpu voltage down, and I am down to stock volts and its running stable at 3.4

Temps went down significantly for idel, stayed the same for load. Ideling at ~47C and load high 50's

gotta test for stability. 100% load on all cores for about 6 hours.
 

myocardia

Diamond Member
Jun 21, 2003
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Originally posted by: trOver
EDIT: NOT STABLE AT STOCK VOLTS

orthos fails in ~10 sec on both cores...

guess ill have to bump it up a notch. damn, 3.4 would have been impressive on stock...

If it failed Orthos in 10 sec, you're likely gonna need to bump vcore two notches above stock.
 

trOver

Golden Member
Aug 18, 2006
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Ugh... not stable the first couple of bumps over stock voltage. gotta keep going... i know it was stable at 1.4 though, so we'll see.

Also, sp2004 is paging like crazy sometimes. Im afraid it will destory my hd. what can i do?
 

cmdrdredd

Lifer
Dec 12, 2001
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Originally posted by: trOver
yah yah..

ill bump my voltage and set orthos overnight

you don't have to change voltage. You can simply try it as it is and see how it does.
 

cmdrdredd

Lifer
Dec 12, 2001
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Originally posted by: trOver
Ugh... not stable the first couple of bumps over stock voltage. gotta keep going... i know it was stable at 1.4 though, so we'll see.

Also, sp2004 is paging like crazy sometimes. Im afraid it will destory my hd. what can i do?

It does that if you use the blend test. Paging is using your memory.
 

trOver

Golden Member
Aug 18, 2006
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Originally posted by: cmdrdredd
Originally posted by: trOver
Ugh... not stable the first couple of bumps over stock voltage. gotta keep going... i know it was stable at 1.4 though, so we'll see.

Also, sp2004 is paging like crazy sometimes. Im afraid it will destory my hd. what can i do?

It does that if you use the blend test. Paging is using your memory.


yah but the first couple of times i had two sp2004's open, each stressing a different core and both using the blend test, it would only page for a couple of seconds and then start using the cpu/ram like its supposed to, not the hd.

Now it seems like one of the sp2004's uses all my ram and the other is left to kill my hd. What can i do?
 

trOver

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Aug 18, 2006
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I backed down to 3200mhz. At first i did 8x400 with 1:1 memory and that wasnt getting me anywhere (freezes up alot)

Back to 9x355 and its running "stable" (1 open sp2004 running for a while now) at one notch under stock volts
 

cmdrdredd

Lifer
Dec 12, 2001
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Are you really afraid to run higher voltage? It's about the only way to make a CPU stable...extra juice.
 

trOver

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Aug 18, 2006
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Originally posted by: cmdrdredd
Are you really afraid to run higher voltage? It's about the only way to make a CPU stable...extra juice.


Just dont wana put to much in it. 1.4 scares me a little, and i know that is low, but this thing has to last atleast 3 years, and i dont want it failing me becuase i overjuiced it.


It seems to be doing very well at 3.2@stock volts, i think i will just keep it here. I like the temps too.
 

cmdrdredd

Lifer
Dec 12, 2001
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Originally posted by: trOver
Originally posted by: cmdrdredd
Are you really afraid to run higher voltage? It's about the only way to make a CPU stable...extra juice.


Just dont wana put to much in it. 1.4 scares me a little, and i know that is low, but this thing has to last atleast 3 years, and i dont want it failing me becuase i overjuiced it.


It seems to be doing very well at 3.2@stock volts, i think i will just keep it here. I like the temps too.

Sure if that works for you.
 

Navid

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Jul 26, 2004
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Isn't max for E6600 1.35V?
That's what it reads on the box?
I am curious why the recommendation to go to 1.4V or higher?
 

trOver

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Aug 18, 2006
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Originally posted by: Navid
Isn't max for E6600 1.35V?
That's what it reads on the box?
I am curious why the recommendation to go to 1.4V or higher?

1.35 may be the highest it can go that is "safe", but people go way higher than "safe" to achieve higher o/c's
 

Ika

Lifer
Mar 22, 2006
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It seems like a lot of the high overclockers are putting 1.5v or so into their E6400s and 6300s. Unless there is something radically different about the 6600s, they should be able to handle 1.5+ too.
 

cmdrdredd

Lifer
Dec 12, 2001
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Originally posted by: Navid
Isn't max for E6600 1.35V?
That's what it reads on the box?
I am curious why the recommendation to go to 1.4V or higher?

you're talking about stock. If you are overclocking you definately need more than that.
 

Navid

Diamond Member
Jul 26, 2004
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Originally posted by: cmdrdredd
Originally posted by: Navid
Isn't max for E6600 1.35V?
That's what it reads on the box?
I am curious why the recommendation to go to 1.4V or higher?

you're talking about stock. If you are overclocking you definately need more than that.

I thought stock for E6600 was 1.25V!
 

MarcVenice

Moderator Emeritus <br>
Apr 2, 2007
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AFAIK you're wrong Navid.

No one can really tell if 1.4 is really safe for a e6600 or any other cpu. No one has tested 100's of them for years in a row to see what happens. It's not like 0.05 extra is anything huge though, so it should be relatively save, and these ain't the first cpu's being overclocked and getting more vcore then the stock vcore. If you can keep temps down it should be fine, temps aren't all there is to it, but if a CPU can run at 1.3 or 1.25v to lower energy consumption, it be a little wild to assume 1.35 is the MAXIMUM vcore the cpu can take. It be stupid of Intel to run their cpu's at the maximum vcore. Using that logic, 1,4 or even 1,45v should be relatively save.