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post #341 of 1926
Quote:
Originally Posted by Bassdoken View Post
If you have to increase the clocks a lot to get 4ghz stable, I don't think it'd be worth it, honestly.
I agree- I like to find the sweet spot and run them there. Hoping 4.0 is going to be good to me. I am nearly 2 hrs in on sm fft I think I'm going to see if it will run sm fft @ 20x 200- same volts. I haven't tried blend yet. I want to get the CPU portion tested first. Yeah ,I'm going to go higher and see how she acts.

@ Xtreme--your game is safe my friend. I have no intention of going that high.

edit: 200x20 @1.20V-core (same as before) sm fft--Temp is 2C higher to start..65C max so far

edit again: She don't love me no more. Crashed about 30 minutes in so I upped the v-core to 1.225v and am getting ready to try sm fft again

edit: completed 10 hr 26 min sm fft @ 1.225 v Bios (1.200CPUZ) highest temps 67/6762/66. Will wait for Blend before requesting membership. Happy for now
Edited by dennyb - 12/14/10 at 5:33am
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post #342 of 1926
So far I'm doing very well with my 4.01ghz OC... I'm currently dropping the voltage one notch at a time, rebooting and running prime95 for about 10 minutes. So far every time I've tested this way a worker stops within a couple of minutes. Or using IBT it will lock up pretty quickly.

I decided to turn LLC on though and keep the voltage that my last crash happened. I started up P95 and it stayed stable, except my temps went up 10C! Now I'm at about 67C, but I am going to continue lowering the voltages. I'm at 1.3125...

Once I get this as low as possible I'll look at upping my QPI and setting ram to 2:8.

EDIT: I am now down to 1.26v, 58C.
Edited by that1guy64 - 12/13/10 at 6:52pm
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post #343 of 1926
Ok so I am very confused here.. what causes a system to SHUT DOWN no warnings.. BSOD's... nothing. I had it running for hours a 500 pass IBT @ Standard it passed it.....

Then I click on "OK" after it telling me the system is stable changed the run time from 500 up to 1000 tests and hit "START" and what do you kno.. SHUT DOWN.... *** MAN!?

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post #344 of 1926
I am totally at a loss of what to do with my system right now.

I found what seems to be the perfect vcore for 21x191/4.01ghz.

However the ram was still at 2:6 and as soon as I change it to 2:8 it starts going through a reboot cycle during POST. Sometimes it boots right away, other times it takes 3 or 4 tries. I don't get it! I increased QPI to 1.39, tried standard/turbo/extreme enhance on the memory and any other tweak I could find.

Timings are default, dram voltage is default too.

My last couple of options would be going 20x200 and/or starting over and starting with 2:8 and upping it to the frequency that I have determined pretty stable right now.

Frustrating!
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post #345 of 1926
Quote:
Originally Posted by that1guy64 View Post
I am totally at a loss of what to do with my system right now.

I found what seems to be the perfect vcore for 21x191/4.01ghz.

However the ram was still at 2:6 and as soon as I change it to 2:8 it starts going through a reboot cycle during POST. Sometimes it boots right away, other times it takes 3 or 4 tries. I don't get it! I increased QPI to 1.39, tried standard/turbo/extreme enhance on the memory and any other tweak I could find.

Timings are default, dram voltage is default too.

My last couple of options would be going 20x200 and/or starting over and starting with 2:8 and upping it to the frequency that I have determined pretty stable right now.

Frustrating!

You shouldn't be having that much trouble. Clear CMOS and start over. This time set memory at 2:8 and work your way up instead of down on the voltages and baseclock.
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post #346 of 1926
hope they add me to # 3 on the list behind the 4.8 and 4.4 ghz monsters!

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post #347 of 1926
I suppose the honeymoon is over. After having an easy time with sm fft (10+hrs @ 1.225 v-core in BIOS) I thought I would try Blend - same v-core eveything else "normal"setting. Threw an error 1 minute in on #3.

I raised QPI up to 1.21Volts (everything else "normal" setting) and tried again--#3 errored again just as quickly. So what changes do I need to make to get Blend to cooperate?
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post #348 of 1926
Try raising the QPI another notch or two (testing each time) since raising it already got you rolling. If a no go lower it back down and raise the v-core a little at a time. My experience with dropping workers in blend but otherwise still running has me thinking it's vcore. Might not be though, you are pretty low on the qpi voltage and it already helped once. Sometimes if you're a little off on both or a long ways off on one the crashes can be pretty random and it's hard to say "insert general BSOD rule here", The general rules sort of don't do you much good unless you are already close and the failures quit being random. I could tell you try 1.27 QPI because it worked for me but you are much better off working out what works for you.

Personally I'd cheat and raise the VTT/IMC/QPI up to 1.3v then dial in the vcore before going back and lowering the QPI until it fails then raise it just a hair over the fail point. That's not the best way to do it but it has worked well for me.
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post #349 of 1926
@sizzle--I just raised the V-core to 1.250 and the QPI/vtt to 1.25 as well. Everything else normal. It seems to be helping -not throwing errors yet.

This is different than the 775 testing. In 775 I would use V-core and vtt to settle the sm fft clock---then raise Mch Core to settle the blend portion. Then I was stable all around.

I got 10+ hrs stable on sm fft @1.225 v-core,everything else "normal". For blend I am needing to raise V-core to 1.250v and since I already had my vtt set @ 1.250 from a moment earlier(failed test) I just left it there.

15 minutes in and running well--highest temps=68C. Am i ok?
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post #350 of 1926
Quote:
Originally Posted by dennyb View Post
@sizzle--I just raised the V-core to 1.250 and the QPI/vtt to 1.25 as well. Everything else normal. It seems to be helping -not throwing errors yet.

This is different than the 775 testing. In 775 I would use V-core and vtt to settle the sm fft clock---then raise Mch Core to settle the blend portion. Then I was stable all around.

I got 10+ hrs stable on sm fft @1.225 v-core,everything else "normal". For blend I am needing to raise V-core to 1.250v and since I already had my vtt set @ 1.250 from a moment earlier(failed test) I just left it there.

15 minutes in and running well--highest temps=68C. Am i ok?
I here you on being different. It's even a little different than 1366 which I could pretty well set my vcore with small and then just adjust qpi for blend. With my 760 anyway the memory controller seems to have a little bigger stake in the vcore than my 930. I have read before that for these i5's the "uncore" voltage actually has very little to do with the memory controller and everything to do with baseclock and I've found that to be somewhat true. Though when I was really pushing my RAM for SuperPi runs it was still all in the VTT... Anyway.. Somewhere along the line I've decided to start my testing with IBT and I'll run atleast 20 passes at MAX before running Prime so I'm usually already pretty close before I get to Prime Blend now.

I suggest you push for at least 12 hours of Blend. Temps ok and usually you'll see your max temp within 20 minutes. I say usually because I have had them creep up on me right before a BSOD several hours in. 68C running Prime Blend at 4.0 with a Dark Knight is great in my book.


Quote:
Originally Posted by dVeLoPe View Post
Ok so I am very confused here.. what causes a system to SHUT DOWN no warnings.. BSOD's... nothing. I had it running for hours a 500 pass IBT @ Standard it passed it.....

Then I click on "OK" after it telling me the system is stable changed the run time from 500 up to 1000 tests and hit "START" and what do you kno.. SHUT DOWN.... *** MAN!?

Wasn't even sure what to say here, 500 runs of IBT standard just seems absurd to me. Pick up 20-50 runs on Max, then 12 hours or more of Prime Blend and call it a day. Do set your thread numbers in IBT instead of leaving it on auto. Might not matter without hypertheading but I just don't trust auto.

Crashing when going from idle to load after already being stable at load sounds like not enough idle voltage to me. Betting you have LLC enabled ? 2 choices there. Either up your voltage to a higher than what you need load voltage so that your idle voltage is high enough to handle the transitions. OR disable LLC and adjust the voltage so that you get the load voltage that you need (1.28v?)
Edited by ~sizzzle~ - 12/14/10 at 12:47pm
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