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2500K 124 BSOD but stable on IBT and p95

post #1 of 19
Thread Starter 
Multiplier problem has been fixed. Now onto a whole new set of problems down on post 6!


This happens when C1E is enabled. I have a 2500K with a P67 ASrock Extreme4 Gen3 motherboard.


Multiplier: 45X
BLCK: 100
Spread Spectrum: Disabled



SpeedStep: Enabled (Problem occurs even when disabled)
C3: Disabled
C6: Disabled
CPU Thermal Throttling: Disabled
Voltage: Offset to 1.34V

As you see, the multiplier drops to 42x-43x using blend and small FTTs. When I use Large FFTs to stress test, the multiplier jumps down only to 44-45x

wth overclock.JPG 207k .JPG file

Anyone else have this problem?
Edited by youra6 - 1/15/12 at 11:49am
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post #2 of 19
Have you tried increasing the Turbo Power and Core Current limits? I'm not sure what they are called on ASrock boards, but they should be called something similar.

If they are left at stock (around 95 to 100), they will downclock the CPU to keep it within the power and current limits. Try increasing them to 200 or higher.
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post #3 of 19
indeed either your current or power capability has been reduced, or your temps are too high.
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post #4 of 19
Thread Starter 
Quote:
Originally Posted by Sin0822 View Post

indeed either your current or power capability has been reduced, or your temps are too high.

Temp is fine, within low 50's on water. Strangely enough, this happens on my friend's ASrock mobo as well.

Indeed, I did some research and it does appear to be the current. I raised core current limit to 200 but to no avail. Going to raise it up to 250 (is it in watts? No unit was labeled in UEFI).
I havent messed with Turbo power current. Not sure what to do with that. Any ideas on what I should raise it too?

It happens also on IBT. 10 quick passes and it still throttles.

Update: Raising core current limit to 250 did nothing.
Edited by youra6 - 1/15/12 at 10:19am
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post #5 of 19
The setting is Turbo Boost Power Limit (2 above Core Current Limit). Set it to Manual and change both settings to 250 (or to whatever you cooler can handle). I would bring the core current limit back down to 170 or 160 unless you need it that high though, but that's just me being overly cautious. The only time the current limit setting has made a lick of difference for me is when it was too low for me to boot at all; it never impacted throttling.
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by Too Many Bees! View Post

The setting is Turbo Boost Power Limit (2 above Core Current Limit). Set it to Manual and change both settings to 250 (or to whatever you cooler can handle). I would bring the core current limit back down to 170 or 160 unless you need it that high though, but that's just me being overly cautious. The only time the current limit setting has made a lick of difference for me is when it was too low for me to boot at all; it never impacted throttling.

Thanks, it fixed the problem! Now onto a whole new list of problems...

124 BSOD playing Deus Ex: HR despite being IBT stable of 30 runs (on high setting) and P95 stable for 5 hours. I read this tutorial: http://www.overclock.net/t/1120291/solving-fixing-bsod-124-on-sandybridge-read-op-first

but it didn't fix my BSOD. Only thing it could be now is my GPU or RAM and I already completed Memtest86 and it passed with with flying colors. Going to rollback the drivers.

Whoever said overclocking with SB is easy hasn't tried using an ASrock board. Seriously, I'm considering buying a GB or ASUS board and returning this one.
Edited by youra6 - 1/15/12 at 11:50am
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post #7 of 19
No offence but 5 hours of prime is not long at all, I would be happy at a 24 hour blend prime test. anything less than that is sub par for me and not stable although some people prefer 12 hours prime and then crash thinking there oc is stable when it actually is not.

Edit* and no oc SB is not easy, its taken me 5 days to get semi stable with 4.8, so far so good tho at 1.46 but my bsod was relating to my ram even tho its rated 1.5, it likes 1.6 when oc. So to rule taht out lossen up them timings and maybe drop the ram down a notch but then ur no noob to oc so u probly know more than me lol
Edited by Comatosed - 1/15/12 at 12:28pm
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post #8 of 19
This was my nightmare for the past 3 weeks, BSOD 0x124. Not sure if I fixed it yet as it happened usually once every 2 days when idle or gaming yet I'd pass prime and IBT. It's been a week now and I'm in the clear so far. I tried every suggestion out there, raised the VCCIO to 1.1, increased vcore, disabled C3 and C6, raised ram voltage, changed sata ports, the whole nine.

I honestly just started from square one, updated BIOS, took the CMOS battery out, and started overclocking again. The only MAJOR changes I made to my overclock was I dropped my PLL voltage to 1.7v, and took LLC off of ultra and to the step above regular, around 25%.

I honestly think the LLC has a lot to do with it, here's my theory on why:

I noticed I was BSODing when gaming and when Idle/browsing the internet, NOT when stress testing. With this observation, I came to the conclusion that my system was BSODing when the multiplier was rasied to MAX but the processor wasn't quite at full load. I don't think the mobo was supplying enough power to the proc under light to moderate load scenarios. When LLC is on ultra, the core voltage increases with processor load, being at the highest when the system is at full load. When LLC is not on, or on a lower setting, the processor pumps the most volts into the processor before full load. So when you find that you're proc is stable @ 1.35v full load and LLC is on ultra, during light loading it will still be running at the overclocked speed but with less volts going into it causing instability. LLC being lower gives to a cushion to fall on in a sense, for example, if your proc is stable @ 1.35v full load(accounting for vdroop) and LLC is off, before it hits full load the volts are going to be around 1.37 or so. Therefore the unstable area when the processor is at a moderate load disappears.

I REALLY hope that made sense. I might have to reword some of this stuff later. thumb.gif

This is simply a theory of mine.

I've spent many hours on this problem and think that I've finally come across the cure. If I get no further errors, I will make a thread about this on the Intel CPU forum to help some people out who are in the same predicament. thumb.gif
Edited by Smykster - 1/15/12 at 12:34pm
post #9 of 19
Quote:
Originally Posted by youra6 View Post

Thanks, it fixed the problem! Now onto a whole new list of problems...
124 BSOD playing Deus Ex: HR despite being IBT stable of 30 runs (on high setting) and P95 stable for 5 hours. I read this tutorial: http://www.overclock.net/t/1120291/solving-fixing-bsod-124-on-sandybridge-read-op-first
but it didn't fix my BSOD. Only thing it could be now is my GPU or RAM and I already completed Memtest86 and it passed with with flying colors. Going to rollback the drivers.
Whoever said overclocking with SB is easy hasn't tried using an ASrock board. Seriously, I'm considering buying a GB or ASUS board and returning this one.

Yes Asus boards are much better than AsRock imo gigabyte is decent also but iv gotten defective Gigabyte boards before with blown transistors. And to ensure stability run Prime95 Blend for 12 hours and Intel Burn test On Maximum 20 times and Then Standard 50 times. x124 can also be an issue with your VCCIO voltage sometimes raising VCCIO can help.
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post #10 of 19
I would try LLC Level 3, because I think default is Level 5. It reduced vdroop by alot for me keeping my voltage stable and closer to the fixed 1.295v under load and stopped me from failing prime95 blend. This is on the Asrock Extreme 4 Gen 3 Z68.
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