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2500k and Z77 Extreme 4-m Overclock stuck at 4.0 - Page 3

post #21 of 43
Quote:
Originally Posted by hotwheels1997 View Post

I've been running i5-3570k @ 4.5Ghz 1.24V without a problem for few months now on this board.I've talked with a person on this forum having i5-2500k @ 5.00ghz for 4-5 months now 24/7 on the same mobo,asrock z77 extreme4 @ 1.44V There's no way he's maxing out the VRM's.

Not the same design.
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post #22 of 43
Quote:
Originally Posted by adridu59 View Post

Not the same design.
I thought Extreme4 and Extreme4-m have the same D-Pak mosfets...
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post #23 of 43
Yes, but Extreme4 has double the capacity of Extreme4-m!

Extreme4-m has 4 phases with D-PAK mosfets when Extreme4 has 4 phases doubled to 8.
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post #24 of 43
Stop arguing about this please. I've taken this 2500k to 5ghz on this board for a couple benchmarks and ran it at 4.6 daily so THIS IS A STUPID POINT YOU ARE ARGUING ABOUT AND OBVIOUSLY WRONG.

5ghz on a 2500k will probably pull about 175-200 watts at full load. So you saying that 120w is maxxed out is again, wrong.
post #25 of 43
87dtna, read through all my posts again, and notice that I mentioned that Extreme4-m can do that. I haven't said otherwise after you mentioned that you got those clocks. Now I am looking at what expense. If it is running way out of specs, we are looking at VRM that can potentially go on smoke, and don't say that heatsink on that boards wasn't very hot.
Edited by DeXel - 1/1/13 at 6:17pm
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post #26 of 43
If it was gonna go up in smoke it would have when I was pushing 5ghz.

And yeah all of the sudden when I cleared the cmos and shipped it the VRM got degraded and can no longer overclock as well. (hint: sarcasm)

The simple fact is there is some setting thats being overlooked causing the problem. Thats it, plain and simple.
post #27 of 43
Quote:
If it was gonna go up in smoke it would have when I was pushing 5ghz.

MSI boards didn't go on fire on day 1. It takes time. Sometimes years.
Quote:
And yeah all of the sudden when I cleared the cmos and shipped it the VRM got degraded and can no longer overclock as well. (hint: sarcasm)

The simple fact is there is some setting thats being overlooked causing the problem. Thats it, plain and simple.

And I don't argue about that. I don't get where all these accusations are coming from wth.gif
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post #28 of 43
Quote:
Originally Posted by DeXel View Post

MSI boards didn't go on fire on day 1. It takes time. Sometimes years.
And I don't argue about that. I don't get where all these accusations are coming from wth.gif

If you push them far enough, yes they do. I was benching a 790FX-GD80 with a hex core and yeah it blew up that same day because I pushed it as hard as I could.

According to everyone posting here, the VRM's can't even handle more than 120w which is probably around 4.2ghz. I ran 4.6ghz for about 6 months, which is well beyond what you guys are considering the max safe. So again, pushing it to 5ghz according to the specs stated would have blown it up for sure. But it didn't.
post #29 of 43
I was the only one who listed any info about maximum wattage it can handle, then quickly corrected myself.

http://www.anandtech.com/show/4083/the-sandy-bridge-review-intel-core-i7-2600k-i5-2500k-core-i3-2100-tested/21

2600K 111w at 4.4 Ghz. Should be lower for 2500K.

D-PAKs can give 55A at 50W heat dissipation. That is maximum of 308W on this boards at 1.4v. There is no way a heatsink can cool 50W per mosfet, so realistically we are looking at maybe 180W (?) max on this board. Yep 4.6-5 Ghz should be possible. Of course this is no way near efficient, and VRM needs a good cooling.

Now let's stop this pointless argument, and find out why OP can't get the same overclock.

There are only 3 reasons I can think of. He isn't using the same settings, ripple, and heat.
Edited by DeXel - 1/1/13 at 6:54pm
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post #30 of 43
Well the HX520 PSU isn't super great but it should be OK unless it's getting older or something. Heat wasn't a problem as he stated the CPU temps were only hitting 55c. If you are talking VRM heatsinks, well he's only running 4ghz so they shouldn't be getting that hot yet. I only ever remember them getting warm, never hot to the touch even at 4.6ghz loaded.

As I've been stating all along, I'm 99% sure it's settings. I need screenshots of his bios settings to see what I had different. It'll probably come back to me once I see it.
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