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AMD Phenom II x4 965 Black Edition Hard time getting above 4GHz Any tips?

post #1 of 28
Thread Starter 
I can run stable at 3.850GHz. once I go above that Ill have a hard time getting into windows. There has only been once or twice I've made it to 4.1GHz and Blue screened Playing Black Light retribution. made it a solid 3 hours and crashed while I was raging at BARs. Do you guys have any suggestions? I don't have Over heating issues. Just stability. Can't figure out why I can't go higher. I've seen other PC's with the same CPU at 4.7GHz. Could it be my Mobo or PSU...?



My Build:
Mobo: Gigabyte GA-78lmt-s3p
PSU: Antec 600W
GPU: Nvidia GeForce GTX 550Ti
RAM: Corsair Vengence
Cooling: Corsair H55 Liquid cooling (Closed loop)
post #2 of 28
your cpu will not get to 4.7ghz unless you've got serious cooling and serious power delivery.
your motherboard is not designed for overclocking; 4+1 vrm power phase that isn't heatsinked is not ideal.
either replace your motherboard with something designed for overclocking, or put a fan/ heatsinks on your vrms.
http://www.overclock.net/t/777378/official-gappos-little-deneb-thuban-overclocking-guide-with-too-many-smileys/0_80
http://www.overclock.net/t/1210911/official-amd-phenom-ii-x4-deneb-cpu-owners-club/0_80

can you post a cpu-z and hwmonitor of your current settings?
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post #3 of 28
Depends on your OC technique. Exactly how are you doing it? I can say now, 2600 - 2800nb freq., stock 2000 htt freq., and your RAM needs to be dialed in on its timings and voltage... I would test that first with cpu at stock freq and volts to get that good. Once RAM is dialed in, NB and htt set THEN boost cpu to 1.5vCore, if cooling is good (staying below 55C 100% load) set multi where your chip is at 3.8, (200 x 19) then one FSB click at a time, prime95 for 30 mins until a core crashes... Reach 3.9 stable? Reset FSB to 200, bump multi one 0.5 click to 3.9, (200 x 19.5) and start again with single FSB bumps to 4ghz...

Basically get your RAM dialed in, nb set to about 2600mhz, and ALWAYS keep htt at stock 2000mhz, make sure thats 100% stable first, then work on a combo of cpu multi and FSB freq, keeping nb and htt freq. in mind, they also change as the FSB changes, and you should be good. I say set CPU at 1.5v off the bat because you wont need more for 4ghz, and if you do, the CPU is barely making it.

I said that all fast and bland, so it may be confusing, but its a start... Ive learned one of my biggest problems OCing was focusing on CPU freq., and not realizing the RAM needed dialed in. Like my ddr3 1600 is 8-8-8-24-34-1t, at 1.7v... plain and simple, regardless of what the SPD is programmed for, or what the sticker says... 24/7, 100% load, thats what my RAM needs for my board, the CPU in it, and the components, and what they're capable of in my specific configuration..

EDIT: And like the guy above me, you need a board capable of OCing, and cooling that can handle the load. Another plain and simple thing... thumb.gif On stock, you might get 3.8 stable, with a click or two voltage bump, but temps are gonna skyrocket at load...
Edited by SwishaMane - 1/19/13 at 9:48pm
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post #4 of 28
As others have said your motherboard is not that great for OC'ing. Also what are you doing to overclock it? FSB or Multi

Also post up your voltages and temps
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post #5 of 28
that cpu will need above 1.6 volts to get that high and stable......will not be possible with that board and air cooling.....you'll burn that board.......do not exceed 1.5 volts on it, and try to mount a fan to direct air onto those vrms
    
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post #6 of 28
Thread Starter 
I made a mistake. My Mobo is GA-78lmt-s2p Not GA-78lmt-s3p
post #7 of 28
Post a cpuz screenshot of your overclock. It could be problems with your cpu nb frequency/voltage,HT Link or even ram frequency and timings. All these affect overclocks and cause instability. Your vrms could be throttling. 4.7GhZ IS IMPOSSIBLE FOR A 24/7 overclock. Myabe with a good water loop, 4.4Ghz maybe possible.
Edited by jason387 - 1/19/13 at 10:01pm
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post #8 of 28
Thread Starter 


I've been using EasyTune6. A program that came with the drivers disk of my Mother board to OC. I dont use the Easy Boost Option though.


Edited by Fanman43 - 1/19/13 at 10:10pm
post #9 of 28
Quote:
Originally Posted by Fanman43 View Post



I've been using EasyTune6. A program that came with the drivers disk of my Mother board to OC. I dont use the Easy Boost Option though.

Overclock through the BIOS not software. You may have to raise your cpu nb voltage.
What bsod code were you getting?
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post #10 of 28
Thread Starter 
When I OC through the BIOS I can't get to Windows.
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