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* Overclocking problems with i5 3570K in GA-Z77X-D3H *

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January 14, 2013 8:18:49 PM

Overclocking problems with i5 3570K in GA-Z77X-D3H

Hello everyone,
I will list my specs first:

CPU: Intel i5-3570K
MOBO: Gigabyte Z77X-D3H
RAM: 2x 4GB Kingston [KHX1600C9D3/4G 4GB 512M x 64-Bit DDR3-1600] **At 1.65V 9-9-9-27-36

GFX: Nvidia Msi GTX 660ti
HDD: 128GB Corsair SDD
CPU Cooling: Corsair Hydro Series™ H70 (Watercooling)

Everything runs completely stable at default speeds. I have tested overclocks without changing default RAM settings and still experience the problems listed below... so I'm not thinking it is the RAM...

1) When I try running overclocks I am able to pass the following stress tests: Prime95, wPrime, Battlefield 3, any other 3D Game, without any problems at all. After the PC has been running for at least a little bit, I continuously run into random problems with programs. Usually an .exe will just not open up when clicked, followed by the inability to open task manager or shutdown/restart/logout the computer. At this point, opening other programs usually work, but its always one application that randomly stops responding and nothing can be done until a hard restart.

2) Everytime I am forced to restart, and also during other times, the computer freezes at the Gigabyte boot logo screen. The only way to boot up past the logo is to completely cut all power by switching off the power supply switch and back on.

Overclock settings that I've tried, and still experience the same problems:
- CPU Base Clock: always at 100.00Mhz
- CPU Clock Ratio: 4.5Ghz
- VCore: 1.25V-1.275V reaching max temperatures just under 70deg celcius with Prime95 on RealTemp.
- Disabled Turbo Boost, C1E, C3/C6, CPU Thermal Monitor, CPU EIST Function
- Load Line calibration: Turbo

I've also tried these settings:
- CPU Base Clock: always at 100.00Mhz
- CPU Clock Ratio: 4.5Ghz
- VCore: set to "Normal", Dynamic DVID set to 0.17V, reaching max temperatures of 67-75deg celcius with Prime95 across cores on RealTemp.
- Enabled Turbo Boost, C1E, C3/C6, CPU Thermal Monitor, CPU EIST Function, and increased Power/Watt limits to 250

I've also tried decreasing CPU PLL to 1.65V but im not to sure what this does.
**Monitoring with CPUID CPU-Z, I get VCore voltages of 1.304-1.368V when using the DVID offset--shouldnt it only go to a max of 1.27V if Dynamic DVID is set to 0.17V / VCore 1.1V?

Can anyone help me get running stable at atleast 4.3-4.5Ghz? :sweat: 

=====
* EDIT: Test results

- Memtest86+ v4.20 passed all successfully when ran for 11hrs
=====

***UPDATE: Check this picture of the inside of my PSU. I noticed that there is some hard white globs of stuff on the board next to some components. I'm not sure if its just glue/cement. My PSU seems to be making a very faint high pitch noise only when the PC is shut off, it is immediately gone as soon as power is on.

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January 15, 2013 11:35:23 PM

Enable the X.M.P profile for your ram
You do not need PLL

4.5Ghz needs only 1.24-1.27v most of the time unless you got a crappy chip. I usually stay away from DVID I find it causes unstable Overclocks

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January 15, 2013 11:36:00 PM

oh and update your bios
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January 16, 2013 12:24:42 AM

redeemer said:
Enable the X.M.P profile for your ram
You do not need PLL

4.5Ghz needs only 1.24-1.27v most of the time unless you got a crappy chip. I usually stay away from DVID I find it causes unstable Overclocks


Thanks for the reply! I will update my BIOS asap. I thought the X.M.P. was enabled...
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January 16, 2013 3:09:57 AM

You should not be running RAM at 1.65V on an Ivy Bridge system. Intel does not recommend over 1.5V - it can damage the CPU memory controller.
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January 16, 2013 3:13:21 AM

Next, check your Event Log in windows for errors under Custom => administrative.
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January 16, 2013 3:51:32 AM

Adroid said:
You should not be running RAM at 1.65V on an Ivy Bridge system. Intel does not recommend over 1.5V - it can damage the CPU memory controller.


So it is best to run the RAM that I listed at 1.5V and 1333Mhz instead of the rated 1.65V / 1600Mhz XMP Setup listed on CPU-Z?
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January 16, 2013 5:46:19 AM

Genuine said:
So it is best to run the RAM that I listed at 1.5V and 1333Mhz instead of the rated 1.65V / 1600Mhz XMP Setup listed on CPU-Z?


Some people run 1.65V on ivy bridge.
Here is a quick post I googled for you :

http://communities.intel.com/thread/30798

You decide.
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January 16, 2013 5:52:33 AM

And yes I agreed, it sounds like you may have a rogue memory chip. Have you run memtest 86+ or similar?

You could try downclocking your ram. You also might need to try to use one stick, then the other - which in fact would show you if you have a bad stick of RAM.

If you do in fact have a bad stick of RAM, you might consider the 1.65V bit - and get some ram that runs at higher speeds at lower voltages.
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January 16, 2013 6:20:12 AM

I just read the post. If in fact both sticks of memory are good, does my RAM running it at default / auto speeds of 1333Mhz and 1.50V, still pose conflicts with the MCH that he is talking about?

I'm going to run memtest86 now
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January 17, 2013 2:10:54 AM

1.5V is preferred, regardless of speed.
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March 20, 2013 7:36:26 AM

How have you been with this OC's I have a similar system... I have read elswhere the i5 3570k at around 4.4 GHz OC is pretty much more stable. You still get problems? What if you jsut OC to 4.0 GHz?
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