Overclocking 965 phenom on gigabyte 990fxa-ud3

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highc1157

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My rig:

- Phenom 965BE at 4ghz with 1.46 (not home, I think that's what it is, can't verify, upped from stock +.025 or +.050 or +.075).

2600 MHz NB at 1.3 volts

-gigabyte 990fxa-ud3 Rev 3

- 8gb (2x4gb) corsair vengeance pro series (1.5v, 9-9-9-24, 1600mhz

-gigabyte gtx 760 OC'd on top of factory oc too

-650w antec earthwatts

-corsair h60

-150 gb hdd WD

---------------------------

So just oc'd to the settings mentioned above in prime95 and ran it while I slept last night for 7 hours. It passed no problem, everything was fine. The max temps were 53 Celsius with ancient room on (air conditioning is on at night from 8pm until morning at about 75-78 Fahrenheit in my room). It was running at 51 degrees when I woke.

What should I do to try to OC higher ?

Are my voltages okay? Please proude detailed info to help me hit like 4.4 if possible :)
 
Solution
Quaddro
usually at 4.2 Ghz, this processor will hit a wall..

4.4 Ghz for phenom II architecture is very difficult except you have really high and dangerous level of core voltage..plus an excellent processor bining.

4Ghz is the sweetest spot for almost all games application..
at 1.46V, it's considered as very safe voltage level (your temp is good)..
1.50v is the limit for daily usage.

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Quaddro

Quaddro

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usually at 4.2 Ghz, this processor will hit a wall..

4.4 Ghz for phenom II architecture is very difficult except you have really high and dangerous level of core voltage..plus an excellent processor bining.

4Ghz is the sweetest spot for almost all games application..
at 1.46V, it's considered as very safe voltage level (your temp is good)..
1.50v is the limit for daily usage.

 
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highc1157

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Thanks man! So you recommend leaving at 4ghz ?

 
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Quaddro

Quaddro

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Yes..
Don't push your processor too much. and put a small fan to your mosfet heatsink. it'll help to stabilize your system.

And 4ghz @1.46v is a sweetest spot without put too much strain to your motherboard and processor.
 
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highc1157

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Thank you !

Okay so here's a dilemma...

After 8 hours of prime95 while sleeping, I turned my PC off seeing as I was going to work. I got home not long ago and booted up my PC to get a blue screen saying "page fault at non pages area". I lowered my cpu freq to 3.7 and it booted up fine into windows. I was unhappy this happened , and decided to try to up my voltages

I changed my Nb volt to 1.3 for 2600 MHz

Changed cpu volt to 1.5 for 4ghz.

Idoing this, my PC has booted. I'm curious why in the world this happened after 8 hours of prime ?!

Also, about how long should intel burn test take ? I'm currently testing stability using 7gb of ram with this program and it's taking a while with IBT. Lot longer with more memory you choose to use I guess
 
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Quaddro

Quaddro

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Page_Fault_in_Nonpaged_Area aka:BCCODE 50 is system memory error..
There's nothing do to with your processor/chipset setting

Raise your memory voltage to 1.65v..as general stock voltage for memory that run at 1600Mhz.


Passing 25 loop maximum stress at ibt is one solid indication that you have rock solid stable performance..
 
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highc1157

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Whew, okay. How is that I passed 8 hours of prime 95 and then upon robot this happened?
 
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Quaddro

Quaddro

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well, prime95 is very very sensitive, even the slightest errors processor will cause BSOD or system restart..

After 8 hours you've got an error, that means your system not fully stable..this is commonly happens to overclocked processor.

Actually in daily application, this is very rarely to stress the system at 100% for >8 hours non-stop.
So i usually run prime95 for at most 2 hours to consider it stable...

i do not want to put too much strain to my processor and motherboard..and i do not want to make my processor degrading faster than it should with stress it for long period..:)
 
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