Suggestion on overclocking AMD Phenom II X6 1055T Please

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Colton Pan

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Jun 14, 2013
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This is the screenshots of my CPU-Z
http://docs.google.com/file/d/0B1YaohbQyFRcUVVvS2MzRDdSU3M/edit?usp=sharing

I have a Nvidia GTX 550 ti if that helps.

The current PSU I have is the Cooler Master 750W Bronze. The CPU heatsink I have is the Cooler Master EVO something (can't remember the model name) I will gladly switch my CPU cooler to a water cooling if I need to.

I'm a semi-noob in the field of overcloking. I have the AMD Overdrive but fear of changing anything xD

It is currently slightly overclocked by the ASUS BIOS something 'fire boost optimization'

I'm sorry if this is a noob question here. Even if you throw me some links to read about knowing overclocking, I will read it!

Although I would prefer you just gave me a good suggestion on which setting should be what and I'll just copy the settings, I'm willing to learn.

Btw, what i'm trying to achieve is around 4.0 Ghz. If that's too hardcore with this CPU, 3.8 would be cool too :D

Thank you everyone!!
 
Solution
jlan86
First thing I notice is that you've already done some overclocking. You base clock is set to about 233, about a 16% overclock. Have you been able to run Prime95 or similar stress test for at least an hour to test for stability? Have you tried increasing it anymore?

The second thing I noticed is that your RAM is running ridiculously slow. You have it set to 1066 which even at your 16% overclock is only about 1236. Your RAM can probably go up to at least 1600. I would try setting it to at least 1333 so that after your 16% OC you're running at at least 1546. If that's stable you might even be able to set it to 1600 and get it up to 1856 after the OC. At that speed you might have to up the voltage and loosen the timings manually to...
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jlan86

jlan86

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Mar 1, 2013
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First thing I notice is that you've already done some overclocking. You base clock is set to about 233, about a 16% overclock. Have you been able to run Prime95 or similar stress test for at least an hour to test for stability? Have you tried increasing it anymore?

The second thing I noticed is that your RAM is running ridiculously slow. You have it set to 1066 which even at your 16% overclock is only about 1236. Your RAM can probably go up to at least 1600. I would try setting it to at least 1333 so that after your 16% OC you're running at at least 1546. If that's stable you might even be able to set it to 1600 and get it up to 1856 after the OC. At that speed you might have to up the voltage and loosen the timings manually to get it stable, and your RAM might not be able to handle those speeds no matter what you do. If that's the case you may want to just leave the RAM at 1333 and try increasing the overclock more if you're stable. I like to set my RAM to 1333 and then shoot for a 25% OC so my RAM is running at 1666.

Also, your NB is running a little slow. Right now it's set to 9x. You should try setting it to 10x, especially if you set your RAM to 1333. If your RAM can handle speeds close to 2000 or higher, I might even suggest setting RAM to 1600 and setting your NB to a x12 multiplier.

Once you find the right balance between your base clock, RAM speed, and NB multiplier, and you're stable, I would try increasing your CPU multiplier. If you can set RAM to 1333 and NB to x10 and HyperTransport to 2000 and manage to squeeze out a 25% OC that will give you speeds of 1666, 2500, and 2500 respectively. Then if you can get your CPU stable with a x16 multiplier at these speeds, there's the 4.0GHz you're looking for.

Looking back I also just realized that your RAM is set to single channel. I see you have them in slots 3 and 4. You have them in the wrong slots. You need to have them in matching color slots to run dual-channel. They should be in slots 1 and 2 or maybe 1 and 3 depending on how your board is arranged. Make sure it says "Channel # Dual" on your memory tab. And try to change your link width to x16. You currently have it set to x4. Make sure your graphics card is in the first PCIx16 slot.
 
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Solution
Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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The sticks are 1333, for the moment try dropping the CR (command rate to 2T form the current 1T, that should stabilize at this pint, next would be to raise DRAM to 1333, you currently show at 1240, if needed raise DRAM voltage to 1.55, as far as OCing the DRAM higher it would be counterproductive to run 1600 will have to raise CL to 10 which is no real gain over the spec 9 at 1333, AMD doesn't handle bandwidth well to begin with
 
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Colton Pan

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Jun 14, 2013
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Thanks so much for the information!!

I ran into a problem where I can only set the CPU multiplier to 14.0 as the highest value. Is it safe that I just set my CPU bus frequency higher and reach 4.0Ghz on CPU which is about 285.

and I'm not able to find the NB multipkier but I could change the the value i want it to be. What value should I be shooting for?
 
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Colton Pan

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Jun 14, 2013
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Thank you everyone for the help. Although I don't really understand what henydiah and tradesman1 were talking about.. o.o
But I successfully overclocked from BIOS (not from AMD Overdrive) I didn't shorten the timing on my RAM as I searched around the internet and was given the advise not to do so if I don't have a relatively good RAM. So I kept it..

Here is my newest system information!

https://docs.google.com/file/d/0B1YaohbQyFRcdDd3bG1iZzdRWkE/edit?usp=sharing
 
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jlan86

jlan86

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Mar 1, 2013
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Wow, if you're stable at those speeds, that's actually really good. 43% overclock on the base clock alone is great. Definitely makes up for your CPU apparently being locked at x14. I was going to say it sucks that your RAM is rated at 1333 but it looks like you got it running at 1530 but still got it to stay at 1333 timings. And somehow you still managed to decrease your bank cycle time to 27 and your command rate to 1T. You're running dual channel, you got your link width up to x16, and you're breaking 4 GHz. If you can run Prime95 for a couple hours with everything set like this, you're good to go. If you need some stability you could decrease the NB from x10 to x8 since you don't really need the 2870 MHz of bandwidth on the NB but if it's stable just leave it there. It's not hurting anything. Just increase your HYperTransport. Right now it's running at 2008 MHz. You definitely want it running at at least 2600 MHz.
 
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Colton Pan

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Jun 14, 2013
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I just realized I should run Prime95 for stability(as I mentioned, I'm a newbie lol) I ran it, it only lasted 2 minute and found an error. Rounding 0.5 expected less than 0.4. something something. I searched it, people say that I should either knock up the vCore and/or VDIMM or turn down the OC a bit. Haven't tried turning down OC yet, but getting voltage higher doesn't help in my situation.

For my RAM, All I did was to put them in the Dual Channel(Thank you so much for the information!) and ran them in stock setting. I didn't change any timings or bank or anything related to RAM except the voltage. I go it up to 1.65 which factory setting was 1.5

The graphics card.... You're right! (thanks again) I used to put it on the second PCIe Slot. After switching it to the first slot, it just automatically increased to x16!

I should try lowering my NB and increase the HT and run Prime95 again!
 
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