i5 2500k, BSOD under load!

Lorddrac

Junior Member
Dec 19, 2011
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Ok so my i5 2500k BSOD under load on prime 95, idle is fine. This is at 4.4ghz ( with hyper 212 cooler)

Im using a z68 mobo, i have my vcore about 1.34, that to me seems a little high? maybe im bsod because it not having enough?

Any advice would be great!

To add, c3/c6 are disabled, turbo enabled )should this be turned off) Any other info you might need please let me know, i'd like to get this thing going at 4.3-4.4
 

Lorddrac

Junior Member
Dec 19, 2011
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0
load temps never go above ~60c

I did bump the voltage to 1.35 and it held up longer during prime95.

Still got BSOD afterwards
 

Lorddrac

Junior Member
Dec 19, 2011
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0
How's your LLC? Your core might be dipping under load.

I think it's set at Lv 4 (maybe?)

I've got it stable (so far) at 4.3 with just a +.005v offset.

Not sure if it just doesnt like 4.4 or what, but im happy with 4.3 as long as shes stable!

my temps usually float at 60c (only one fan on hyper 212+)
 
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Kenmitch

Diamond Member
Oct 10, 1999
8,505
2,250
136
Ok so my i5 2500k BSOD under load on prime 95, idle is fine. This is at 4.4ghz ( with hyper 212 cooler)

Im using a z68 mobo, i have my vcore about 1.34, that to me seems a little high? maybe im bsod because it not having enough?

Any advice would be great!

To add, c3/c6 are disabled, turbo enabled )should this be turned off) Any other info you might need please let me know, i'd like to get this thing going at 4.3-4.4

Disable turbo and CPU Enhanced Hault C1E?

All the c3, c6, turbo, enhance halt states C1E, etc. don't need to be disabled for overclocking a SB. SB's can be temperamental at times till you get a feel for your chip. It's best just to leave them enabled as it's the way the chip is designed to work.

What MB are you using?
 

Lorddrac

Junior Member
Dec 19, 2011
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All the c3, c6, turbo, enhance halt states C1E, etc. don't need to be disabled for overclocking a SB. SB's can be temperamental at times till you get a feel for your chip. It's best just to leave them enabled as it's the way the chip is designed to work.

What MB are you using?

Just an update, I've been running prime since my last reply at 4.3, rock solid!

I'm using a ASrock z68 3/3 mobo, i got it for a really good price on the egg.

Gonna keep my settings the same for now, Though i do worry about future OC abilities with this chip
 

Kenmitch

Diamond Member
Oct 10, 1999
8,505
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Gonna keep my settings the same for now, Though i do worry about future OC abilities with this chip

Doesn't your motherboard have overclocking profiles? If so that's what they are used for....Well at least by me anyways >)

For my 2700k I have the following saved:
Stock
4.0ghz
4.2ghz
4.4ghz
4.6ghz
4.8ghz
5.0ghz....Not stess tested yet gotta save some fun for later.

I've stress tested up to 4.8ghz w/HT enabled pretty hard so far. I never disable any of the c3,c6.eist,turbo,etc as SB's like to run with it.

You might wanna save your profile and give it a shot and see how your chip responds the way it was made to run.
 

fastamdman

Golden Member
Nov 18, 2011
1,335
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Don't use default profiles as suggested above.

Simply add some more vcore, test with linx, if you bsod add some more, etc. Once you are 2hrs linx stable with avx aka service pack 1 on windows 7, you are good to go. Just keep an eye on temps, some chips take 1.4vcore for 24/7 stability at 4.5, some can do 5ghz at 1.4, it just depends.

Personally I would run the highest o/c you can achieve at 1.4vcore and leave it there for 24/7 use :) Anything higher than that and you COULD see degradation in several years lol.
 

fastamdman

Golden Member
Nov 18, 2011
1,335
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No reason to, its simply a vcore issues. He probably has a slight vdroop on his board leaving him around 1.32 vcore which on some chips is not enough for his overclock. Hell one of my chips took 1.39 vcore for a 4.5 24/7 stable o/c on linx avx.
 

Lorddrac

Junior Member
Dec 19, 2011
18
0
0
No reason to, its simply a vcore issues. He probably has a slight vdroop on his board leaving him around 1.32 vcore which on some chips is not enough for his overclock. Hell one of my chips took 1.39 vcore for a 4.5 24/7 stable o/c on linx avx.


I think you have it correct, it is odd though, i didnt do much but add one notch for 4.3ghz but after that i have to crank some juice to it, it seems.

Thank you all for being so helpful :) happy holidays
 

Kenmitch

Diamond Member
Oct 10, 1999
8,505
2,250
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Don't use default profiles as suggested above.

Default profiles ???

Maybe your somewhat confused by my statement.

Most motherboards let you save your profiles these days. Mine saves 7 of them. You make your own profiles as in play with overclock settings/voltages/speed then name and save them. Using this feature of your motherboard saves alot of headaches when overclocking.

Only thing I was suggesting is the original poster save his profile and try to overclock with the energy things enabled. Most likely they are disabled for no reason at all as most SB's have no issue with overclocking and using them.

Good Luck on your adventure :)
 

Lorddrac

Junior Member
Dec 19, 2011
18
0
0
Default profiles ???

Maybe your somewhat confused by my statement.

Most motherboards let you save your profiles these days. Mine saves 7 of them. You make your own profiles as in play with overclock settings/voltages/speed then name and save them. Using this feature of your motherboard saves alot of headaches when overclocking.

Only thing I was suggesting is the original poster save his profile and try to overclock with the energy things enabled. Most likely they are disabled for no reason at all as most SB's have no issue with overclocking and using them.

Good Luck on your adventure :)


Right, i should have been more clear, when down clocking to 4.3 i also reverted all the settings to default. I did disable c3/c6 but kept c1e(i think?) Anywhom, The Cpu does throttle down on power consumption during idle, but it seems it keeps the clock speed. Is this going to effect it long-term?
 

Kenmitch

Diamond Member
Oct 10, 1999
8,505
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Right, i should have been more clear, when down clocking to 4.3 i also reverted all the settings to default. I did disable c3/c6 but kept c1e(i think?) Anywhom, The Cpu does throttle down on power consumption during idle, but it seems it keeps the clock speed. Is this going to effect it long-term?

So the voltage drops down at idle but the 4.3ghz sticks? If so it could cause bsods under light loads depending on how quick the voltage ramps up.

Or do you mean that both the voltage and 4.3ghz sticks at idle but your just using less wattage as there is no load on your chip.

If the idle voltage drops and cpu doesn't throttle down it could be an advanced power option in windows causing this senario. What power setting/profile are you using in windows?

Controll panel > power options > change plan settings > change advanced power settings > processor power management > minimum processor state can cause this issue depending on what it's set to. Setting of 5% is shown on mine. With my 2500K it would drop down to 1.6ghz 1.02v at idle.
 

tweakboy

Diamond Member
Jan 3, 2010
9,517
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www.hammiestudios.com
If your going to overclock I recommend turn speedStep off for the love of OC.

If your not going to overclock then turn SpeedStep on.

BSOD,, probably CPU voltage isnt enough, pump it up a bit,,,
 

Lorddrac

Junior Member
Dec 19, 2011
18
0
0
If your going to overclock I recommend turn speedStep off for the love of OC.

If your not going to overclock then turn SpeedStep on.

BSOD,, probably CPU voltage isnt enough, pump it up a bit,,,

I think so too, i got the last batch of 2500k's (rumor says they need more juice)

@ken Ah sorry, I meant just the wattage falls low on idle, Vcore is still roughly 1.3 at idle with 4300mhz

At idle, The vcore stays same but watts do drop, am i still in the clear?

1twnsz.png
 
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Kenmitch

Diamond Member
Oct 10, 1999
8,505
2,250
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@ken Ah sorry, I meant just the wattage falls low on idle, Vcore is still roughly 1.3 at idle with 4300mhz At idle, The vcore stays same but watts do drop, am i still in the clear?

I doubt the chip will burn out anytime soon hard locking the voltage and overclock. Long term effect = unkown.

I just go for the way it's made overclock and leave the features enabled. Here's a shot of my 2500K I just replaced with a 2700K

45ghz_2.png


Using offset voltage, LLC to regular(none) All energy stuff enabled.
 

Lorddrac

Junior Member
Dec 19, 2011
18
0
0
I doubt the chip will burn out anytime soon hard locking the voltage and overclock. Long term effect = unkown.

I just go for the way it's made overclock and leave the features enabled. Here's a shot of my 2500K I just replaced with a 2700K

45ghz_2.png


Using offset voltage, LLC to regular(none) All energy stuff enabled.

Hey man really nice temps! What cooler are you using? Im going to add another fan for Push/pull
 

Kenmitch

Diamond Member
Oct 10, 1999
8,505
2,250
136
Hey man really nice temps! What cooler are you using? Im going to add another fan for Push/pull

My 2500K was water cooled :)

My 2700K pushes my water cooling to my comfortable limit 70*C max at 4.8ghz.

48ghz_prime_2.png


The voltages and temps in the above shot was reset once prime was started. I wanted to see the fluctuation under heavier loads.
 

tweakboy

Diamond Member
Jan 3, 2010
9,517
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www.hammiestudios.com
I think so too, i got the last batch of 2500k's (rumor says they need more juice)

@ken Ah sorry, I meant just the wattage falls low on idle, Vcore is still roughly 1.3 at idle with 4300mhz

At idle, The vcore stays same but watts do drop, am i still in the clear?

1twnsz.png

The idle temps don't mean anything. Try a full load with Everest or CPU burn in... Intel recommends 50's c to 60's c for optimum life exptectancy. 70's and 80's is ok if you overclock since the CPU voltage goes up, however think of a new cooling situation if those are your temps,, like Open the side of the case and open your room window ,, temps will drop by 10c at least all that hot air will exit from your case. Have a good ambient temp also like 74 F.. gl My dads 2600k is doing a easy 4.2Ghz @ 1.30v I dont know how to change the voltage in Gigabyte its with percentage I dont understand it.. I rather have it in laymans terms, which ASUS does.... For 4.8Ghz 1.45v would be enough ,, you should push it to 5Ghz @ 1.5v if your under water or massive HSF gl
 

ImpulsE69

Lifer
Jan 8, 2010
14,946
1,077
126
On my Z68 board I was having lots of BSOD's for no reason. I was using the onboard connector for my video passthru to my card. I changed to using the output of my card and no more BSOD issues. Just a thought.
 

fastamdman

Golden Member
Nov 18, 2011
1,335
70
91
Let me clear a few things up that have been posted in this thread. First up, Impulse69, there is ALWAYS a reason for BSOD's ;) and generally the error code created by them will tell you what it is.

As far as EIST aka speed step, you are 100&#37; safe leaving it ON. There is NO reason to turn it off unless you are pushing to the ABSOLUTE max *think 5.8ghz + on SB chips with tons of voltages* aka things that aren't done much on these forums <3.

With that being said the best way to stabilize SB chips is through vcore. If you run LinX with AVX pack your temps and stability will REALLY be tested. P95 is a decent app, but it doesn't even come remotely close to stressing a system out like LinX or IBT with AVX.

If you aren't sure what AVX is, it increases the GFLOPS and stress through the system. LinX/IBT are also mathmatically A LOT more stressful then P95 and you WILL see much much higher temps, roughly 10 degrees more then p95 temps.

If you run a stability program like LinX/IBT and you fail it, simply up the voltage until you become stable. Now for 24/7 use I wouldn't run more then 1.4 to 1.425 voltage if you want the chip to last forever. If you are going to upgrade to IB and you don't really care about the chip, by all means push the voltages as much as you want as long as temps are fine.

We really don't know the degradation point / limits of SB yet because they haven't been out long enough. I know plenty of real benchers who have ran tons of volts *think close to 1.7* through SB chips and they are still up and running just fine today. In SHORT bursts you can run a lot of voltage through SB chips and they will be completely fine *as long as temps are within reason*.

Anyway I am getting a bit off topic heh. Back to the OP Lorddac, a lot of SB chips need a ton more voltage to go from the sub 4.5 ghz range to over it. For example I know several of my chips / bench chips need around 1.35 for 4.5ghz, but for 4.7+ they need 1.4+ vcore. It really solely depends 100% on the chip.

Tweakboy - Running 1.5volts through a SB chip for 24/7 use is NOT a good idea no matter what kind of cooling you are running. For a quick benchmark sure, but for every day use, even with EIST that is a horrible plan ;).

Lorrdac - as long as your temps are within reason up the voltage to 1.4vcore or 1.425 and see what the highest stable overclock you can achieve is. You for sure will be able to hit 4.5ghz with ease at 1.4vcore LOAD *make sure you factor in vdrop, for example if you set 1.4vcore in bios and at load you are getting 1.37, then run 1.43 vcore in bios so at load its 1.4vcore*. You can probably hit anywhere from 4.7 to 4.8ghz with 1.4 to 1.425 vcore load from my experience with SB chips *which is pretty vast ;)*

Wish you the best of luck overclocking man and hopefully you have a great chip on your hands!