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Any tips on a PD940 (New Build) - Page 3

post #21 of 35
Thread Starter 
I ran orthos and received an error at 10 hours, just a calculation error on the second core.
"2:FATAL ERROR: Rounding was 0.4995117188, expected less than 0.4
2:Hardware failure detected, consult stress.txt file.", it had passed through all the tests and was recycling it's protocol when it did this. At this point I'm running stock voltage ~1.22V at load. (Reading from speedfan). Core temps are running at about 48ºC. Should I go 1:1 with the memory at 4GHz CPU, will the Memory be alright?
    
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post #22 of 35
Thread Starter 
Yeah when I let the bios auto select the ratio it set the ram at 667MHZ and it wasn't a happy camper, got an error in orthos like 10 seconds in, booted fine and everything but not happy. I know the big thing here is that my memory is Junk, looking at some much better stuff soon.

So for now I'm stable at 4GHz with the Ram at 600MHz, was wondering if I should adjust the Vcore at this point or leave it alone, how will I know if I'm not getting enough voltage to the CPU?
    
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post #23 of 35
ah run your memory at whatever speed its happy for me i run my memory at 898mhz tho i gota push my pcie to 120mhz to keep my new speed stable 4580.
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post #24 of 35
Quote:
Originally Posted by RPIJG View Post
Yeah when I let the bios auto select the ratio it set the ram at 667MHZ and it wasn't a happy camper, got an error in orthos like 10 seconds in, booted fine and everything but not happy. I know the big thing here is that my memory is Junk, looking at some much better stuff soon.

So for now I'm stable at 4GHz with the Ram at 600MHz, was wondering if I should adjust the Vcore at this point or leave it alone, how will I know if I'm not getting enough voltage to the CPU?
If you run orthos and its stable for 2+ hours, then DON'T increase the vcore.

Its only necessary to up the voltage if it's unstable. Otherwise, you want it low as possible to keep the temps. down.
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post #25 of 35
Thread Starter 
so at this point it's so far so good, I should just keep pushing the processor up until it's unstable in orthos for less than 2 hours? I mean I got to 4GHz pretty easily and then got 10 hours on orthos before the error, I'll keep pushing the CPU tomorrow see how much I can get out of it before I even have to touch the Vcore.
    
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post #26 of 35
4Ghz Pentium D ftw
post #27 of 35
Quote:
Originally Posted by RPIJG View Post
so at this point it's so far so good, I should just keep pushing the processor up until it's unstable in orthos for less than 2 hours? I mean I got to 4GHz pretty easily and then got 10 hours on orthos before the error, I'll keep pushing the CPU tomorrow see how much I can get out of it before I even have to touch the Vcore.
There's no real answer to your question, as there are NO definitive answer to that. Some people would prefer to overclock their system to a higher level, but fails after 4~6 hrs of torture test, where as some overclocker preferred to overclocked their system to a moderate level where it can pass the torture test with no problem at all.

Again, I would overclcok my system to a higher level where it can withstand a 6~8hrs of torture test, because that’s would be my normal gaming time per day. But if I would put my PC to a scientific calculation task, then I would have to lower to clock to maintain that stability.

Hope you understand what I'm saying, overclock really differs from person to person, and there are MANY factors that affect how far you can go.
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post #28 of 35
Thread Starter 
I see what you are saying, I think at this point I'll shoot for something around 4.5GHz and raise the Vcore until it's stable for a bit, I've really got to get the RAM bottleneck squared away first though as it's a nightmare right now.
    
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post #29 of 35
Quote:
Originally Posted by RPIJG View Post
I see what you are saying, I think at this point I'll shoot for something around 4.5GHz and raise the Vcore until it's stable for a bit, I've really got to get the RAM bottleneck squared away first though as it's a nightmare right now.
1.55v vcore will be needed if I remember correctly. I ran mine at 4.5ghz on my DS3 for over a month when it was watercooling and had no problems at all. I believe 1.65v was what I needed for 5ghz. I never ran it there for long though.

To be honest, it is at 1.28v and 2.8ghz right now and I don't notice the difference on my desktop. I'm running two Hitachi 7K80s in raid zero and that is a better user performance boost than any overclock I've even done.
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post #30 of 35
for me to hit 4.5 im sending 1.535 but after the bad droop my board has its more like 1.38-1.45.
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