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Is this a safe overclock?

A

AppaTheBison

Member
Hi guys, I'm still newb to overclocking and was wondering if my overclock is safe. Just finished building my first computer today, and did some overclocking, not sure about safe temp ranges or voltage. Please let me know if there's something I need to change, thank you.

Also included a picture of inside my case to see airflow.

Edit: Also here are all my parts if it helps.
Newegg Seasonic X650 PSU: $110
NCIX Corsair Carbide 400r Case: $80
Newegg Windows 7 Home 64 bit: $80
MC Zotac GTX 580 Amp Video Card: $334
Newegg Samsung Spinpoint 1TB 3gb/s : $50
NCIX 2600k: $270
Amazon Antec Kuhler 620: $60
Amazon MB Asus Maximus Gene IV Z: $170
Newegg Ram Gskill Ripjaws X 1600mhz 16gb: $85
Amazon Crucial M4: $187
Newegg Sony Bluray Burner Drive: $80
$1506

ykjsh.jpg


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Looks OK to me for now. Good voltages, great temps for that speed. A couple of things though:

1. Have you stress-tested it? First run Prime95 for a few hours to verify it's generally stable; then run Intel Burn Test if you want to be really sure. Let us know what the temps are when these run. I personally worry if my cores get over 65C, but I'm quite conservative. :$

2. Were these screen shots taken under load or at idle? If at idle, try re-enabling power saving features on your board. You can set the Sandy Bridge turbo boost multiplier to 46x for everything, leave the regular speed at stock, and allow for idle at 1.6GHz and 1V to save power and heat when you're web browsing and such.
 
This is idle. On coretemp it says all cores are at 0% load. Can you see what temps you get when you stress test this?
 
Re-enable EIST. There's no reason to disable it for 24/7 use.

That's at idle, so voltage at full load should decrease with vDroop. What's the voltage in that scenario?
 
AppaTheBison said:
Is EIST the power saving feature mentioned earlier? Anyone know how I can enable this?
Click to expand...

When at idle, your CPU should be automatically downclock to 1.6GHz and a voltage around 1V or less.

If it isn't, then there is something amiss with your BIOS settings that is preventing this from occurring.

For me, my Asus maximum iv extreme-z would not let my CPU idle-down. It turned out the BIOS defaults to a power setting that prevents the CPU from going to lower power.

Checkout my thread on it here.
 
Idontcare said:
When at idle, your CPU should be automatically downclock to 1.6GHz and a voltage around 1V or less.

If it isn't, then there is something amiss with your BIOS settings that is preventing this from occurring.

For me, my Asus maximum iv extreme-z would not let my CPU idle-down. It turned out the BIOS defaults to a power setting that prevents the CPU from going to lower power.

Checkout my thread on it here.
Click to expand...

That was just mentioned in this article.
Building A Liquid-Cooled MicroATX Gaming Monster


The Asus Maximus IV Gene-Z defaults our CPU to approximately 3813 MHz, regardless of the number of active cores. But it then idles down to 1606 MHz. Enabling XMP Profile 1 prevents Intel's SpeedStep technology from spinning the processor down when it's idle. That's good news for performance fanatics, and bad news for anyone who cares about their power bill.
Click to expand...
 
Would you post some CPU temps with Prime95 Large FFT 4-thread when you get a chance? I am very interested in comparing the Antec Kuhler to the Corsair H60 since it is similar price point. Would love to see temp readings at 5-10-15 minutes, assuming you are stable.
 
You have to find a way to turn on EIST, C1E, C3/C6. I couldn't imagine running my 2600k at that speed and that voltage 24/7.

Also, will your asus board allow you to overclock with the dvid method so that your vcore will scale with the load?
 
Sunburn74 said:
You have to find a way to turn on EIST, C1E, C3/C6. I couldn't imagine running my 2600k at that speed and that voltage 24/7.

Also, will your asus board allow you to overclock with the dvid method so that your vcore will scale with the load?
Click to expand...

The asus maximus boards don't call it "dvid", its called "offset".

Also, his issue with the maximus board has nothing to do with specific EIST, C1E, etc processor states. Enabled, disabled, thats not what the issue is.

The problem is that on asus maximus boards the Vcore Phase control defaults to "Extreme" which prevents the CPU from ever entering the lower Vcc and lower multiplier states at idle.

ChangeManualOffsetSC3.jpg


The user has to drill down through the menus to change the VCore Phase Control setting to anything other than Extreme (personally I use Optimized), then you are good to go and change the Vcore mode from the default "manual" to the needed "offset":
ChangeManualOffsetSC5.jpg


Once that is done, even if you have no plans for overclocking, the CPU will now idle as intended.
 
Thanks Idontcare, that solved my issue! Idling nicely right now at 1.6 ghz. Genius! Mrjolt I'm a super scrub so Idk where to even find much less run prime95. I did open up 5 different games and got my cpu load to 88%, it never went above 61 degrees on any of the cores after 10 minutes, I don't know if that helps at all.
 
AppaTheBison said:
Thanks Idontcare, that solved my issue! Idling nicely right now at 1.6 ghz. Genius! Mrjolt I'm a super scrub so Idk where to even find much less run prime95. I did open up 5 different games and got my cpu load to 88%, it never went above 61 degrees on any of the cores after 10 minutes, I don't know if that helps at all.
Click to expand...

We can help you with that too! Checkout the sticky thread on stability testing guidelines.
 
Idontcare said:
We can help you with that too! Checkout the sticky thread on stability testing guidelines.
Click to expand...

Are each of these tests important to run to test my system? And can my SSD handle those tests? My one "buyers remorse" with this system is that I didn't get the 256gb SSD, even though I moved all my games/video/music to my samsung spinpoint, I'm still constantly frowning at my remaining 91 GB lol.
 
AppaTheBison said:
Are each of these tests important to run to test my system? And can my SSD handle those tests? My one "buyers remorse" with this system is that I didn't get the 256gb SSD, even though I moved all my games/video/music to my samsung spinpoint, I'm still constantly frowning at my remaining 91 GB lol.
Click to expand...

There are no storage benching done in that sticky, SSD is safe.

Its only important if you are having stability issues or want to verify you have a stable overclock. (be it an overclocked cpu, gpu, or ram)

Nobody really overclocks their storage devices, not much anyways, so there isn't much out there for stress testing an overclocked SSD I'm afraid.
 
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