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post #1251 of 3633

What about the Mpower is limiting your speed? 

post #1252 of 3633
Quote:
Originally Posted by CL3P20 View Post

What about the Mpower is limiting your speed? 

It's got to be the BIOS. Before the BIOS updates I couldnt' even run these sticks at stock speeds then MSI did a BIOS update and I could run the sticks up to 2133mhz no problem. I can push the 2166mhz settings if I bump up my BCLK to 2246mhz 9-10-10-24 T1 with only 1.53v on DRAM and IO voltage at 1.15V and system voltage at 1.3v.


I think the BIOS is limiting the max over clock of these sticks because of how easily these sticks can handle the speed I am running them at. My Gskill CL9 2400mhz kits could run 2666mhz with CL10 with 1.7v on DRAM and IO voltage at 1.25v which is alot more stress on the CPU and DRAM in terms of raw voltage thrashing. The Gskills could never match the speed that I am running the Sammys at with the low votlage of 1.53v on DRAM and only 1.15 IO voltage.

So this leads me to believe that the SAMMYs have alot more to give but are being limited by the BIOS since I have had BIOS problems before and also since the fact these SAMMY's are out performing my much more faster Gskills.
B.K.T.
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B.K.T.
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post #1253 of 3633

You will likely need ~1.19v for VTT to run +2400mhz. As well IB is sensitive to the VTT vs SAv ratio where it concerns RAM speed/latency. 

 

ie - I would advise starting with 1.2v for VTT and SAv .. and tweaking from there. Often times, while adjusting my latency settings and memory speeds, I find stable settings by keeping VTT closer to SAv. Focusing on these two voltages in combination; is what allowed me to push past 2450mhz into the 2700mhz range with my Samsung kit.

 

**As well.. loosening your 3rd timing set [specifically tRWSR and tRWDRDD to 5 or 6] should lower throughput and allow for additional speed at the same primary timing set [ie - moving these should allow you to keep clocking without changing CL or tRCD]. Lastly.. if your pushing very high speeds on this mobo.. You may consider unlinking memory and trying to set separate RTL's for each CH.

post #1254 of 3633
Quote:
Originally Posted by CL3P20 View Post

You will likely need ~1.19v for VTT to run +2400mhz. As well IB is sensitive to the VTT vs SAv ratio where it concerns RAM speed/latency. 

ie - I would advise starting with 1.2v for VTT and SAv .. and tweaking from there. Often times, while adjusting my latency settings and memory speeds, I find stable settings by keeping VTT closer to SAv. Focusing on these two voltages in combination; is what allowed me to push past 2450mhz into the 2700mhz range with my Samsung kit.

**As well.. loosening your 3rd timing set [specifically tRWSR and tRWDRDD to 5 or 6] should lower throughput and allow for additional speed at the same primary timing set [ie - moving these should allow you to keep clocking without changing CL or tRCD]. Lastly.. if your pushing very high speeds on this mobo.. You may consider unlinking memory and trying to set separate RTL's for each CH.

Thanks. When I have time I will try this out.
B.K.T.
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B.K.T.
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post #1255 of 3633
So I am sitting at 4.4ghz on my 3570k at 1.23v And I believe the max temp I saw was 65°c after a 30 minute prime95 run. I am a gamer, and saw a nice fps increase from my over clock, but am wondering where I will start to see diminishing returns. Should I push for 4.5-4.6 and raise the temps a bit, is it worth it? Or am I going to start seeing smaller and smaller performance benefits in exchange for much more heat and more stress on the chip?

I'm thinking the best performance bang at this point would just be a beefier graphics card.
post #1256 of 3633
Any day now I should be getting my new build in the mail, including the MSI Z77 MPOWER and an Intel 3570k. I've done a tad bit of searching around and can't seem to find just what I'm looking for, so would someone please explain how to overclock this processor on the board? I'm looking to achieve 4.0Ghz stable. I've got an H60 Corsair water cooler coming and also the HAF X case, and I'm probably going for the push > pull method straight out of the back because from what I've been reading I'm able to mount the radiator/fan outside on the back for optimal performance on the cooler. If anyone has any other input as to this method then please let me hear it. I'm definitely open to suggestions since I've never done an overclock before and thought this would be a great place to ask since I'm getting this board in a few days. But like I was saying, would someone mind briefly explaining how to OC this chip from the bios? I would be very greatful.
Edited by Malphis - 12/17/12 at 10:14pm
post #1257 of 3633
Quote:
Originally Posted by Malphis View Post

Any day now I should be getting my new build in the mail, including the MSI Z77 MPOWER and an Intel 3570k. I've done a tad bit of searching around and can't seem to find just what I'm looking for, so would someone please explain how to overclock this processor on the board? I'm looking to achieve 4.0Ghz stable. I've got an H60 Corsair water cooler coming and also the HAF X case, and I'm probably going for the push > pull method straight out of the back because from what I've been reading I'm able to mount the radiator/fan outside on the back for optimal performance on the cooler. If anyone has any other input as to this method then please let me hear it. I'm definitely open to suggestions since I've never done an overclock before and thought this would be a great place to ask since I'm getting this board in a few days. But like I was saying, would someone mind briefly explaining how to OC this chip from the bios? I would be very greatful.

Just press the overclock genie button in the bios and you automatically get a 4,2 ghz overclock ;-)
post #1258 of 3633
99% of the time you can get 4.4 with just changing the ratio to 44
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snitchkilla
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post #1259 of 3633
Quote:
Originally Posted by Erik1974 View Post

Just press the overclock genie button in the bios and you automatically get a 4,2 ghz overclock ;-)

this
post #1260 of 3633
Hello guys!

I have a problem, I overclock to 4.4Ghz and I used Prime95 to test the stability and 4.4GHz processor drops to 3.7Ghz. At 4.2GHz does not decrease!

I think the problem is power limit :-S

Any idea what the problem is?

I have photos with BIOS settings!







PS: I tested with OCCT and the same problem!

PS2: I tried Cinebench test and the CPU remains at 4.4GHz :-S
Edited by ShadyGaby - 12/18/12 at 10:35am
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