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Overclocking AMD Phenom II x4 955BE

post #1 of 12
11/9/12 at 7:03pm
Thread Starter 
Hi guys,

I'm new to the forum so I want to get some help on overclocking my CPU. I never overclocked CPUs so I'm new to this also.
From a little research I've done, I found out that I could start by just raising the multiplier number in BIOS. So now I'm at x20, running on 4,0 GHz.

So I'm viewing my CPU temp with a little program called Core Temp an these are the results I'm getting. It idles round 26, and it went up to 37 while running Dishonored (1920x1080, full details), playing a 1080p movie in VLC, and running few programs (browser, wmp, tuneup utilities,...)



My Windows expirience index went from:

7,3; 7,5; 7,9; 7,9; 7,4 ( the one for the hard drive was 7,8 but magically went down to 7,4 as the SATA3 ssd's hit the market mad.gif )

to:

7,5; 7,5; 7,9; 7,9; 7,4

So my question would be: Is this OK, should I leave it that way and how do I check CPU stability? What benchmark to run?

Sorry for my english, it's not my native language. biggrin.gif
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post #2 of 12
11/9/12 at 7:13pm
Prime95 is ideal for checking your OC stability. Don't pay any attention to WEI - it's really not great (if even decent) as a performance indicator. 3Dmark06 or 3Dmark11 are much better biggrin.gif As for your temps, nice!
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post #3 of 12
11/9/12 at 7:14pm
Looks like a good chip if its holding 4ghz at only 1.40v most of the ones I've seen need near 1.45v so hi5 on a nice chip, Coretemp is good for watching temps, you could also get HWmonitor but I've personally never had any trouble with Coretemp, I would just download Prime95 and let it run for a few hours to see if your stable, there are quite a few programs out there now to check stability but I've just always used Prime and it seems to work just fine. How long you check for stability is completely up to you, I usually just let it run 2-4hours, some people say overnight. Personally though I would run it for about 4 hours and see how it does, just keep the temps under 60C. If it holds for 4 hours your most likely ok, looks like you have a C3 chip so 4ghz isn't to hard. Would help to know your other settings such as NB/Mem/Voltages etc.
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post #4 of 12
11/9/12 at 7:19pm
Thread Starter 
OK, thanks I'll use Prime95.

@Linear I just put multiplier to x20, everything else is at stock. Here's a pic with Core Temp and CPUz running.

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Hard DriveCoolingOSMonitor
OCZ Vertex 2 120 GB + WD 1 TB Arctic Cooling Freezer 13 Windows 7 Ultimate x64 Philips 273E3LH 
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post #5 of 12
11/9/12 at 7:22pm
Run a round of Prime95 and see how she does, might need to tweak the NB and Ram some. if it crashes just post what its doing and tweak it from there, I'm sure plenty of people will jump in to help.
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post #6 of 12
11/9/12 at 7:23pm
Thread Starter 
So how do I set up Prime to test it?

Can I go to sleep and check it in the morning? biggrin.gif

EDIT: Do I use Blend, or should I use custom or something else?
Edited by gecek987 - 11/9/12 at 7:28pm
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AMD Phenom II x4 955 Gigabyte GA-970A-UD3 XFX ATI Radeon 6950 2GB DDR5 2x4GB G.Skill Ripjaws 1333MHz DDR3 
Hard DriveCoolingOSMonitor
OCZ Vertex 2 120 GB + WD 1 TB Arctic Cooling Freezer 13 Windows 7 Ultimate x64 Philips 273E3LH 
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Logitech G110 Coolermaster Silent Pro Gold 600W (80+ Gold) Coolermaster Storm Scout Coolermaster Storm Sentinel Advance II (8200 dpi) 
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post #7 of 12
11/9/12 at 8:51pm
Use blend but you definately want to watch it for the first hour or so at least to keep an eye on the temps
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post #8 of 12
11/9/12 at 8:53pm
immensely helpful
www.overclock.net/t/777378/official-gappos-little-deneb-thuban-overclocking-guide-with-too-many-smileys/0_100
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post #9 of 12
11/10/12 at 1:57am
Thread Starter 
Ok, so I ran Prime95 @ 4,0GHz and got a warning at Core#2 saying that something (don't remember what) is 0,43.. when it should be less than 0,4.

So I put the CPU to stock and ran Prime95 for almost 6 hours and this is what I get. Max. temp according to Core temp was 41.



So should I increase multiplier by 1 and test it for every increase, or should I mess around with something else (NB,voltage,...)?
My rig
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CPUMotherboardGraphicsRAM
AMD Phenom II x4 955 Gigabyte GA-970A-UD3 XFX ATI Radeon 6950 2GB DDR5 2x4GB G.Skill Ripjaws 1333MHz DDR3 
Hard DriveCoolingOSMonitor
OCZ Vertex 2 120 GB + WD 1 TB Arctic Cooling Freezer 13 Windows 7 Ultimate x64 Philips 273E3LH 
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Logitech G110 Coolermaster Silent Pro Gold 600W (80+ Gold) Coolermaster Storm Scout Coolermaster Storm Sentinel Advance II (8200 dpi) 
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CPUMotherboardGraphicsRAM
AMD Phenom II x4 955 Gigabyte GA-970A-UD3 XFX ATI Radeon 6950 2GB DDR5 2x4GB G.Skill Ripjaws 1333MHz DDR3 
Hard DriveCoolingOSMonitor
OCZ Vertex 2 120 GB + WD 1 TB Arctic Cooling Freezer 13 Windows 7 Ultimate x64 Philips 273E3LH 
KeyboardPowerCaseMouse
Logitech G110 Coolermaster Silent Pro Gold 600W (80+ Gold) Coolermaster Storm Scout Coolermaster Storm Sentinel Advance II (8200 dpi) 
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post #10 of 12
11/10/12 at 4:40am
Thread Starter 
Ok, here are the results after 2 and a half hours @3,6GHz

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AMD Phenom II x4 955 Gigabyte GA-970A-UD3 XFX ATI Radeon 6950 2GB DDR5 2x4GB G.Skill Ripjaws 1333MHz DDR3 
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OCZ Vertex 2 120 GB + WD 1 TB Arctic Cooling Freezer 13 Windows 7 Ultimate x64 Philips 273E3LH 
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Logitech G110 Coolermaster Silent Pro Gold 600W (80+ Gold) Coolermaster Storm Scout Coolermaster Storm Sentinel Advance II (8200 dpi) 
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Steelseries 4HD Creative Labs X-Fi Sound Blaster Gamer Pro Logitech Z313 
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My rig
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CPUMotherboardGraphicsRAM
AMD Phenom II x4 955 Gigabyte GA-970A-UD3 XFX ATI Radeon 6950 2GB DDR5 2x4GB G.Skill Ripjaws 1333MHz DDR3 
Hard DriveCoolingOSMonitor
OCZ Vertex 2 120 GB + WD 1 TB Arctic Cooling Freezer 13 Windows 7 Ultimate x64 Philips 273E3LH 
KeyboardPowerCaseMouse
Logitech G110 Coolermaster Silent Pro Gold 600W (80+ Gold) Coolermaster Storm Scout Coolermaster Storm Sentinel Advance II (8200 dpi) 
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