5820k/X99 rampage v extreme @ 4.5 makes my computer crash

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necrogaming

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I have stress stested using aida64 for at least 30 minutes with no trouble. It is stable with normal use. However, I tend to crash while gaming. I usually like to have other apps out mainly youtube for music. An hour or so my computer will crash and restart. I have upped the voltage to 1.325v. Any reasons/test to find out why this is happening?
 
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M
First, get that clock speed lowered. The 5820K isn't the best overclocker from that line and you're already pushing voltage a little on the high side (by some people's standards). The lowest end CPUs on X99 (5820K and 6800K) tend to not OC as well as the more expensive CPUs in those lines. Many people try to avoid going over 1.3v. Frankly, there's no real world need to sit at 4.5. You're also running hot.

First off, a couple quick settings that can make a big difference:

1) Input voltage. Find this setting and get it to 1.9v. This can make a HUGE difference.
2) LLC: Best setting for this depends on your motherboard. Asus boards tend to actually add voltage when setting this to high/level 1, some other boards will simply...
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bjornl

bjornl

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Not every CPU can run reliable at every overclock. Sometimes adding voltage does not improve things. Instead try a voltage a little closer to 1.2v and then try a lower OC and see if the results change.

Also review your eventviewer to see if it contains clues as to what specifically crashed. Depending on how it crashed there are possibly logs to view there too.
 
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Vellinious

Vellinious

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Dec 3, 2013
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Sounds like you need to do some stability testing, and find an overclock that's actually stable. I suggest Realbench for a minimum of 2 hours for light load testing, and either AIDA64 or OCCT for a minimum of 1 hour for heavy load testing.

Also...how are your temps? What are your PC's other parts? GPU? PSU? What are you using to cool the CPU? GPU cooling?
 
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ichihaifu

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Maybe your cooling solution is not enough to keep up with the heating. Also CPU isn't the only part in your system that can crash it.
You can look in windows dump files if there is indication of what crashed the system. (you might need to enable it first, there are quick guides how to do this in google)

Also some simple tests like removing memory modules one by one can tell if one is faulty, quick overlook of motherboard to check for physical damage etc.
 
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Giroro

Giroro

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What PSU and GPU are you using? I would be looking at power issues... slight chance of faulty GPU but PSU problem sounds more likely.
Is gaming stable if you lower the voltage and turn down the clock?
 
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bjornl

bjornl

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Good parts if they are all working as they should. Having a 1050w PSU is irrelevant if it is a low quality one. Which model PSU do you have?
 
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necrogaming

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Thermaltake. I don't understand why it crashes. The temps don't go above 75 when I am gaming.
 
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Vellinious

Vellinious

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That's pretty warm for a daily clock...your processor, though.

Could be overvolt protection kicking in from the motherboard, or the PSU. I honestly think you just need to do a longer, good stability test. 30 minutes isn't going to tell you anything. I certainly wouldn't be running my CPU at 75c with light loading for a daily clock.
 
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necrogaming

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I've done a 4 hour stress test on aida64 with 4.4 @ 1.275v but when I played I crashed after an hour. I'm confused.
 
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Vellinious

Vellinious

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In the OP you said you tested with AIDA64 for 30 minutes. Anyway.

Does the motherboard display any codes when it crashes? Is it freezing? Crashing, and rebooting itself? Or, does the machine just power off?

As for crashing....there is no end all beat all stability test that someone can use that will work with everything. That's why I suggest using a couple different ones. I mentioned earlier, Realbench as well. I
 
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necrogaming

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I did 30 minutes @ 4.5.

While gaming it either 1) freezes for a minute or two then restarts or 2) restarts right away. No code or anything. But it is just fine when I am browsing the internet: movies/music etc with multiple tabs open.
 
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Vellinious

Vellinious

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Dec 3, 2013
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You may have two different problems...possibly...

Freezing would indicate to me that your overclock is unstable. Lower the clock or raise voltage. In your case, I'd highly suggest lowering clock.

Restarting right away suggests that you may be hitting the over-voltage protection either on the motherboard or the PSU. If you have another PSU, I'd suggest trying it first. If the problem persists, look for your safety features in the bios.

What do the settings in the bios look like? What are you using for LLC? Cache clock? Cache voltage? Do you have good airflow over the motherbaord VRM?
 
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marko55

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First, get that clock speed lowered. The 5820K isn't the best overclocker from that line and you're already pushing voltage a little on the high side (by some people's standards). The lowest end CPUs on X99 (5820K and 6800K) tend to not OC as well as the more expensive CPUs in those lines. Many people try to avoid going over 1.3v. Frankly, there's no real world need to sit at 4.5. You're also running hot.

First off, a couple quick settings that can make a big difference:

1) Input voltage. Find this setting and get it to 1.9v. This can make a HUGE difference.
2) LLC: Best setting for this depends on your motherboard. Asus boards tend to actually add voltage when setting this to high/level 1, some other boards will simply ensure that the voltage sticks at what you've set your vCore to when under load.

I'd personally jump your clock down to 4.4GHz and keep your core voltage at 1.3v, plus the two settings above, and see how it runs. Still, at those settings, install & run ROG Realbench Stress Test for an hour & verify your temps are not getting close to 90c and that its stable. That tool is quite sensitive to instability so its a good one to test real world stability. IF that's stable, try gaming for stability. IF gaming is stable at that point, try backing your vCore down to 1.28v and perform both tests again. That should help bring temps down a little. Keep decreasing voltage until you find one that's not stable and add .01v until you're stable. That's the game.
 
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Solution
Vellinious

Vellinious

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Dec 3, 2013
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So you reduced your clock a lot too. The X99 boards are usually pretty good about the input voltage when on auto, but.....I guess it's possible yours wasn't. I'm betting the reduced clock was actually what helped, as opposed to the input voltage.

Glad you got it sorted.
 
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