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Official Phenom II x2 500 Club! - Page 171

post #1701 of 4289
Here's the entry for my unlocked Phenom II 550BE.

Clock Speed: 3750MHz
FSB x Multi: 250 x 15
Vcore: 1.475v
RAM Speed: 833MHz
NB Speed: 2000MHz
HT Link: 2000MHz
Motherboard: Biostar TA790GX 128M v5.3 BIOS 78DEA113
Cooling Method: Tuniq Tower 120


It was 3 hours OCCT stable with all the settings above.
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post #1702 of 4289
Quote:
Originally Posted by Ben the OCer View Post
Here's the entry for my unlocked Phenom II 550BE.

Clock Speed: 3750MHz
FSB x Multi: 250 x 15
Vcore: 1.475v
RAM Speed: 833MHz
NB Speed: 2000MHz
HT Link: 2000MHz
Motherboard: Biostar TA790GX 128M v5.3 BIOS 78DEA113
Cooling Method: Tuniq Tower 120


It was 3 hours OCCT stable with all the settings above.
very nice. next you should try adjusting the NB a little.
try getting it to around 2500 or 2700
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post #1703 of 4289
This is my first ever pc build and i have never overclocked before.

I have a x2 550 and a ASRock A790GMH mobo.

I don't know much about the bios but i have set the AAC to auto thus enabling all 4 cores succesfully according to Windows as it reads in control panel.

Now i don't know where to go from here i.e. de/increasing other settings.

I have AMD Overdrive and ASRock OC Tuner to use for overclock if i can do it without messing with the bios if need be. Please also give me suggestions for a source for checking my pc's stability.

Don't forget i'm a novice so please be understanding and give me step by step instructions if you can cheers.


Any help will be kindly appreciated many thanks for in advance.
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post #1704 of 4289
Thanks again think3r, your great

I don't have water cooling like hondaguy so I'm happy with 3.7ghz and 1.4v I appreciate your advice on possible damage to the os, that's good to know, so far everything seems fine though, plus I made a drive image before doing any of this

I've got my memory memtest stable for 12+ hours at 1600mhz at 1.7v - I found out those are the manufacturers specs btw I've also got the nb running at 2400mhz with +0.075v (sorry I don't remember right now what the actual total volts are). It's all been prime stable for over an hour now so hopefully it stays that way

I do have a couple questions of course

Does the nb sound about right, it seems to be what I've seen some other people use? I'm not positive of what the safe limits are for the nb though.

I read some posts that say that setting the nb to 2600 and leaving the ht at 2000 performs better than setting them the same, is that true? Would it be true for 2400mhz as well?

If I'm doing all right so far ??? then I think working on the memory timings is the next step. I read that having tighter timings at the expense of a bit lower mhz gets better results for am3 setups, is that correct or should I stay at the 1600 and just try to get the best timings I can at that setting?

Thanks again for putting up with all my questions
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post #1705 of 4289
Just checking out this program CPU tweaker.... Looks good so far, Only did a stress test for only 20 mins.. CPU @ 3.8 Quad with only 1.4 volts

Here is the program: http://www.overclock.net/5201026-post1.html


Edited by HondaGuy - 9/14/09 at 6:22am
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post #1706 of 4289
Quote:
Originally Posted by cantona7 View Post
Now i don't know where to go from here i.e. de/increasing other settings.

I have AMD Overdrive and ASRock OC Tuner to use for overclock if i can do it without messing with the bios if need be. Please also give me suggestions for a source for checking my pc's stability.
Cantona, welcome to Overclock.net!

Before pursuing any further I'd recommend checking out this guide. That should explain the basics and hopefully get you started. In regards to changing the settings I recommend doing everything through the bios. I always try to avoid software overclocking because of the risk of damaging my OS ect ect. However AOD (AMD Overdrive) is a nice tool to use but be careful when using it. The bios is great because of all the flexibility and the amount of different options. For stability checking I use a mixture of OCCT and Orthos. I always run OCCT for 1hr at "High" and then Orthos for about 8 hrs (Priority 9, Blend). If you're unsure of your memory overclocks/changes in timings I'd recommend testing with Memtest86+. This application will allow you to perform a diagnostic on your memory outside of Windows. I typically prefer tests 5 and 8 each for at least 15 - 20 minutes. Hopefully a few others chime in with some suggestions.

Good luck

Quote:
Originally Posted by Kylton View Post
Does the nb sound about right, it seems to be what I've seen some other people use? I'm not positive of what the safe limits are for the nb though.
Kylton, the highest NB Frequency that I have seen was around 2700-2800Mhz. I really don't think there is a "safe" limit per say when it comes to the frequency but I do believe too much voltage is probably not good. What you have right now is perfectly fine.

Quote:
Originally Posted by Kylton View Post
I read some posts that say that setting the nb to 2600 and leaving the ht at 2000 performs better than setting them the same, is that true? Would it be true for 2400mhz as well?
The best way to find out is to just test each setting and then run a benchmark to see the difference. From what I heard higher NB Frequency is more rewarding then a high HT link speed.

Quote:
Originally Posted by Kylton View Post
If I'm doing all right so far ??? then I think working on the memory timings is the next step. I read that having tighter timings at the expense of a bit lower mhz gets better results for am3 setups, is that correct or should I stay at the 1600 and just try to get the best timings I can at that setting?
Again, test each setting to see what gives you the best performance. In my experience I've always found that higher memory frequency speeds provide the best memory "Read" results (in terms of MB/s).

Hope that helps
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post #1707 of 4289
Overclocking -

Hi all, I just got a MSI 790FX-GD70 and a Phenom II X2 550 and wanted to know how I could possible hit 3.8 - 3.9. Im currently at 3.6 with all the voltages except my ram set to auto. Ive tried just upping the vcore some and when I run Prime 95 it just crashes a few minutes in. If anyone has BIOS screenshots of all the different voltage settings or information please let me know. And for cooling I'm using a Zalman 9900.

Unlocking -

Also when I set EC firmware to "Special", and turn ACC to "Auto" I just get cold boots. Ive tried release bios 1.4, 1.54b, and 1.61b. Am I missing something?
Edited by Vertigo - 9/14/09 at 9:44am
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post #1708 of 4289
I decided to overclock my 550BE to 4Ghz by lowering the multiplier and upping the FSB to 251 and it was IntelBurnTest stable (Maximum stress) for 20 runs.



I will run more tests later and see if its fully stable. Specs on my signature.
    
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post #1709 of 4289
Quote:
Originally Posted by Vertigo View Post
Hi all, I just got a MSI 790FX-GD70 and a Phenom II X2 550 and wanted to know how I could possible hit 3.8 - 3.9. Im currently at 3.6 with all the voltages except my ram set to auto. Ive tried just upping the vcore some and when I run Prime 95 it just crashes a few minutes in. If anyone has BIOS screenshots of all the different voltage settings or information please let me know.

Unlocking -

Also when I set EC firmware to "Special", and turn ACC to "Auto" I just get cold boots. Ive tried release bios 1.4, 1.54b, and 1.61b. Am I missing something?
Vertigo, could you please include some cpu-z screen shots for us? Each tab would be helpful. For processor voltage (Vcore) I'd recommend bumping it p to 1.4 - 1.45volts to see if that gets you stable at 3.6Ghz with all four cores unlocked. Typically when you unlock the disable cores more Vcore is required.

Good luck
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post #1710 of 4289
Hopefully this helps =)

[IMG][/IMG]
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Western Digital 500GB Black Caviar Sony Optiarc 24x DVD/CD Burner Windows 7 Professional (64) LG W2353V 
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