direraptor22
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Re:X58 Stability Club
2011/04/16 14:24:45
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kingofsorrow
direraptor22
Yea I see a lot of indications my RAM is faulty... I passed 20 runs of LinX this morning but left prime95 on for 7-8 hours while I slept and woke up to a 0x7F BSOD. Definitely RAM related from what I read.
Happened the same thing todaay. Normally the rig passes the linx tests noproblem, so I decided to test it with prime blend tests and went to bed. I got up and there was a bsod "an attempt was made to execute non executable memory". Looks like memory related at first glance, but I just increased the vcore by a notch and will see how it handles now.
Your bsod is not necesseraliy ram-related either - try some different settings (voltages etc). If it does that when the system running at default settings - then, it probably bad ram. When it's overclocked it's not necessarily bad ram. Just my thoughts about it.
Tell me how it goes after that VCore bump. I'm pretty sure it's my memory since I passed 50 runs of LinX on these settings before and there's no reason to be that stable on LinX and fail a prime95 blend test. Obviously it's not my CPU. My memory isn't even at its factory speeds, I have it at 9-9-9-24 right now and it's rated at 8-8-8-24, 1.65V and 1600MHz speed. XMS3 is dirt cheap and I can tell why. I never hear any good things about XMS3 nor is it brought up in an "enthusiast" community very often. I looked up my BSOD code "0x7F" and according to multiple forums it seems to be memory related. On the bright side I just ordered these for $120 http://www.newegg.com/Pro...x?Item=N82E16820145289 so it's all good for me for now. Expect my XMS3 to be posted in the FS thread sooner or later, also expect a low price 
 “The fascination of flight can't be expressed with words. But it really lies beyond the capabilities of human endeavor. Once you've experienced it, you'll never be able to forget it.” - Friedrich Oblessor
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kingofsorrow
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Re:X58 Stability Club
2011/04/16 14:33:47
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I will sure post the results - tomorrow most likely. It takes several hours for the bsod to appear. Nice ram btw  edit: actually, no need to wait til tomorrow - it still bsods. So, will be looking into it and will try to find out what causes the bsods at prime blend tests.
post edited by kingofsorrow - 2011/04/16 16:35:45
i7 990x@ 4.41Ghz 1.375v | Evga Classified E762 | 12Gb CM12GX3M3A2000C9 | GeForce Titan X SLi | HAF-X | ST1500
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direraptor22
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Re:X58 Stability Club
2011/04/16 18:21:19
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lol I stand behind my statement... MEMORY'S fault! After my BSOD with prime95 I noticed my usable memory has dropped a bit and I'm no longer able to select 25000 problem size again... I pretty much had to close every single application (including antivirus) to the point where I have just Windows 7 running and absolutely nothing else. I've selected "Diagnosis Starup" before but that just disables EVERYTHING including Aero theme so I get a nice Windows Classic look... I can't wait to get my Dominators 
“The fascination of flight can't be expressed with words. But it really lies beyond the capabilities of human endeavor. Once you've experienced it, you'll never be able to forget it.” - Friedrich Oblessor
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direraptor22
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Re:X58 Stability Club
2011/04/16 20:40:00
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Did a rerun on 4.2, LinX 20 passes. This time stock Kuhler 620 fan was thrown out and 2 x GT AP14s are put in push pull exhaust. Also made both my top 200mm fans intake. Here's the new results (a whole 10C lower at full load than my previous run): Lowest stable VCore: 1.33 (1.318 in BIOS) no vdroop VTT: +200mV CPU PLL: 1.65V DIMM: 1.65V QPI PLL: 1.375V Rest of settings AUTO PWM: 800KHz 
“The fascination of flight can't be expressed with words. But it really lies beyond the capabilities of human endeavor. Once you've experienced it, you'll never be able to forget it.” - Friedrich Oblessor
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sam350
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 05:47:47
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heya guys hope this is good enough took me lots of tweaking, no more voltage will push oc higher....any tips on 4.8ghz...my temps r fine Forum Name : sam350 Core i7 [link=mailto:990x@4.174]990x @4.174[/link] Voltage: 1.58 Idle temps: 41 peak core Load temps: 82 peak core GFlop peak: 85.930
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i7:990x@4.7ghz 100% stable motherboard: evga x58 classified 3 ram: corsiar 2000mhz 3x6g@ 7-8-7-1T 1700mhz graphics: 3x msi gtx580's@ 870 core 2150 mem air cooled cooling: ek supreme water block cpu, 120.3 rad, 140.1 rad, swiftech pump, xspc resivour 
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sam350
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 05:59:08
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i7:990x@4.7ghz 100% stable motherboard: evga x58 classified 3 ram: corsiar 2000mhz 3x6g@ 7-8-7-1T 1700mhz graphics: 3x msi gtx580's@ 870 core 2150 mem air cooled cooling: ek supreme water block cpu, 120.3 rad, 140.1 rad, swiftech pump, xspc resivour
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dave851
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 06:33:58
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Hey guys i plan to join you and have a few questions,
1. What is the max vtt you would use for 24/7
2. Are there any tricks to being able to lower vtt?
Right now i am at 4Ghz with 1.28 vcore but +225mv Vtt
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vD_Edition
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:00:02
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For me, in terms of absolute vtt I would feel comfortable with is 1.325 for 24/7 operation so +125mv on the X58 classy's (Yes, a conservative setting considering this is a 4.2Ghz+ thread). That being said I run 24/7 at +50 on the 980X and +75 on the 920. It seems I've been blessed with chips that run fine with lower vtt, although I honestly think my 980 would go nuts if I ran it's uncore near what a lot of people in this thread are running. On a side note I have had my Lynnfield at 1.35 vtt for a extended time period to zero ill effects, but that chip is under water. Increasing your VTT switching frequency could potentially lower the amount of VTT you need at the cost of higher Vreg temps. (nothing a waterblock, or more reasonably a small little 40mm fan can't remedy that) EDIT: It needs to be said that my definition of "24/7" is non-stop 100% load over the course of days or weeks, where as I would assume that most peoples definition of a 24/7 setting is what you use as your day to day settings while simply using the computer, be it under heavy load or not.
post edited by vD_Edition - 2011/04/17 08:05:59
 920 @ 4.2|875k @ 3.8|980X @ 4.0 "Alright Edgar, now drop a train on 'em... AH!! 423,827 viruses fond. THAT IS NOT A SMALL NUMBER. 
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dave851
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:05:54
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Well temps are no probem for me, mobo/cpu are water cooled by a decent system. This is on a 758 sorry forgot to mention that. I am pushing the uncore as i am running my ram at 1903Mhz. I feel that i got a good chip an just dont want to burn it, but more speed really helps with folding the big-adv units ☺
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vD_Edition
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:10:52
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Yes, frequency does sure help with bigadv, given the scaling of the bonus points system, but if your worried about the chip it may be worth your while just to see what happens across a few frames with the memory on a lower multiplier but with tighter latencies, as tightening ram timings typically has very little to do with VTT but rather Vdimm.
920 @ 4.2|875k @ 3.8|980X @ 4.0 "Alright Edgar, now drop a train on 'em... AH!! 423,827 viruses fond. THAT IS NOT A SMALL NUMBER.
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:21:40
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Intel Conservatively says 1.4V max on the VTT.
That's where I set mine and my Digital multi meter says 1.396V while the E-leet readback is at 1.47V.
Some reported to be able to lower the VTT by increasing the QPI PLL voltage. It has worked for me as well.
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Halo_003
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:52:29
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960 has arrived.. Looking good. 4Ghz @ 1.22Vcore, 4.5Ghz @ 1.4Vcore.. Might have to try a LinX run sometime.
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:54:08
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I don't think my system would boot with a 1.4v VTT or even be stable if it did.
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:55:50
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kram36
I don't think my system would boot with a 1.4v VTT or even be stable if it did.
Really? why? This is strange. Both my Bloomfield and the 2 gulftown I've had ran fine with it.
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Halo_003
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 08:56:43
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rafale
kram36
I don't think my system would boot with a 1.4v VTT or even be stable if it did.
Really? why? This is strange. Both my Bloomfield and the 2 gulftown I've had ran fine with it.
Yeah why not Kram? That's only +200mV. 
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:01:10
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2000Mhz memory speed I assume is the culprit. I'm currently at +275mV.
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:08:09
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Oh you meant it was too low for you... I guess if I had my QPI/PLL voltage at stock I would have some problems too. Raising it to 1.275V allowed me to lower the VTT for my 2000MHz memory.
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:13:06
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I'll go give that a shot right now.
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dave851
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:14:38
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yea kram i got the same idea, i'm running 2000hz ram, i bumped up my qpi/pll to 1.15 and was able to lower it be 50mv, I may try to bump it up a little but how high is safe for 24/7 use? 1.275 seems a little high to me but i don't know much about the voltages for 24/7, only benching numbers..
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:16:39
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rafale
Oh you meant it was too low for you... I guess if I had my QPI/PLL voltage at stock I would have some problems too. Raising it to 1.275V allowed me to lower the VTT for my 2000MHz memory.
Ok, she is up and booted with QPI PLL at 1.275v and VTT at +200mV. Now to run LinX.....
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:18:33
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dave851
yea kram i got the same idea, i'm running 2000hz ram, i bumped up my qpi/pll to 1.15 and was able to lower it be 50mv, I may try to bump it up a little but how high is safe for 24/7 use? 1.275 seems a little high to me but i don't know much about the voltages for 24/7, only benching numbers..
Intel has the same 1.4V limitation on the QPI/PLL as on the VTT. I think there is even some room left there. 
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dave851
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:21:03
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Oh wow so i can really crank up the qpi/pll if need be
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:37:50
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kram36
rafale
Oh you meant it was too low for you... I guess if I had my QPI/PLL voltage at stock I would have some problems too. Raising it to 1.275V allowed me to lower the VTT for my 2000MHz memory.
Ok, she is up and booted with QPI PLL at 1.275v and VTT at +200mV. Now to run LinX.....
If you were only at +275 at VTT, 1.275 on the QPI PLL might be overkill. You can probably just bump it to 1.15 and have the same benefit. What I observed was that I was able to lower my VTT by 50mV for every 25mV of QPI/PLL. Of course I did this a while ago on a different CPU.
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:38:35
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I only let LinX go through 5 runs, will do 20 this evening. Did all 5 without any errors. So what's the tradeoff on doing this? Seems like my GFlops speed went down a tad as the 5 runs it never approached or went over 82 like my previous runs. 
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dave851
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:43:37
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Well kram you might need to find the sweet spot for your qpi/pll voltage, sometimes to much will make your g-flops go down.
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:45:13
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If the difference is Gflops is this small, it is probably a difference in the background program running. The benefit is less heat. The QPI/PLL does not cause as much heat as the VTT and you can lower it to a safer zone for the same overclock.
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:46:22
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I just lowered the QPI PLL to 1.200v after reading rafale's post. I'll see how this goes. Would be tickled pink to keep the VTT at 1.4v.
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direraptor22
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 09:53:18
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My VTT HAS to be at +200mV or else RAM becomes unstable. Junk XMS3...
“The fascination of flight can't be expressed with words. But it really lies beyond the capabilities of human endeavor. Once you've experienced it, you'll never be able to forget it.” - Friedrich Oblessor
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rafale
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 11:12:00
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@Raptor: Don't blame the ram. It is your CPU IMC that is the culprit.
@Kram: Did the 1.2V work out?
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kram36
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Re:X58 Stability Club 4.2Ghz+ Can you make it?
2011/04/17 11:14:35
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I have not LinX stressed it yet, but she booted and I have been cruising around without issue so far. EDIT: Just did 7 runs on LinX without issue. I just don't have the patience at the moment to do 20 runs, but will do it later this evening. 
post edited by kram36 - 2011/04/17 11:40:03
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