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post #61 of 560
Quote:
Originally Posted by cory1234 View Post
I have that batch. I'm going to start doing 4ghz tests again in about 30 minutes. Intel Burn test failed 4ghz (22x182, 1.29vcore, 1.27vtt) on the 46th run out of 50...go figure.

I got 3.7ghz stable with 1.16vcore, 1.21vtt.

I'm thinking that you can get slightly a slightly lower vcore using a higher multiplier, but unfortunately my Biostar doesn't like higher multipliers with the current bios.

If you have the money I would go with the i7 930. They overclock better than any 1156 quad.
Thanks for the advice cory! I will watch your results before I make the final call. Right now I am leaning toward listing the 875k on ebay. I already have the CMX6GX3M3C1600C7 so I might as well take advantage of that third channel with the 930. Keep us posted! Thanks again!
post #62 of 560
Meh..

post #63 of 560
@cory1234

Thanks, WC is not bad thing , check out the Corsair Obsidian 800D case, it seems like a nice case to have for WC.


I had to disable CPU TM Function otherwise my i7 875K throttle down during LinX but 70C, it sounds kind of low to me, well, maybe those Lynnfield can´t take that much heat


You have probably check this but it can be worth mention, that bios you run is it updated for the 875K.

Does it throttle down even though you disable the CPU TM Function?

BTW, awesome avatar you have , are you a Starcraft man maybe?



@radaja

Thanks



@TheShotRock

Hi and welcome to the OCN

Mine´s batch #L004B840

Yeah, as cory1234 said, you be better of with a 930 then with a 875K if you are into OC.



@ChrisB17

Nice, any pics when you´re stable perhaps?



@iceboi714

Not planned but feel free to start one



@SimpleTech

To bad, I feel for you , the temp is not bad for that high vcore though
Edited by Ghostleader - 6/21/10 at 5:21am
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post #64 of 560
Thread Starter 
@Ghostleader: Yes Starcraft 2 is the only game I play right now. I haven't even opened God of War 3 haha.

Biostar has released a new bios that fixes my multiplier problem. Now I'm going to have to restart all my tests over again with higher multipliers..which is no big deal, I'm just glad it was fixed.

4 ghz was disappointing with a x22 multiplier. 1.31v, 1.29vtt.
Edited by cory1234 - 6/18/10 at 8:45am
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post #66 of 560
So do you owners think these things are worth it or no? Is it the BIOS's that need catching up?
    
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post #67 of 560
Quote:
Originally Posted by cory1234 View Post
@Ghostleader: Yes Starcraft 2 is the only game I play right now. I haven't even opened God of War 3 haha.

Biostar has released a new bios that fixes my multiplier problem. Now I'm going to have to restart all my tests over again with higher multipliers..which is no big deal, I'm just glad it was fixed.

4 ghz was disappointing with a x22 multiplier. 1.31v, 1.29vtt.
I thought so, I played the last version of Starcraft, liked it a lot, is Starcraft II any good , of course, if it´s the only game you play , hade to ask


Hope that the new bios can fix things for you.


These 875K is nothing more then a ordinarie 870 except for that they are unlocked, so we can´t expect that they are much better then a regular 870.

One drawback I notice that it don´t have a higher ram ratio then 12.


1.29vtt, at what ram speed?



Quote:
Originally Posted by AyeYo View Post
So do you owners think these things are worth it or no? Is it the BIOS's that need catching up?
Well, if you have a P55 board and looking for a quad core with HT, then yes, if quad core without HT, i5 750 is in my opinion a very good choice.

Most of them have a bios for the 875K so it shouldn´t be any major problem.




I brought down the Bclk as close to 133 and tried to run as high CPUspeed with 1,425 as I could.

I thought it could make it at Bclk 136, ~4,36GHz, ram at ~1635 777 21 1T but LinX gave me an error at run 45, after ~1,28 hrs



I quess I have to be happy with that it can do 4,2GHz with Bclk 200 at ~1,35 vcore.


Going to run some comparision bench runs at Bclk 133 and 200 both with CPU speed 4,0 and ram at 1600C7.
Edited by Ghostleader - 6/21/10 at 5:22am
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post #68 of 560
Anyone have any luck getting past 4.0 GHz with the 875K? If so, please share your settings.
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post #69 of 560
Quote:
Originally Posted by Blizzie View Post
Anyone have any luck getting past 4.0 GHz with the 875K? If so, please share your settings.
4,2GHz, the most important settings are in the SS
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post #70 of 560
Thread Starter 
Quote:
Originally Posted by Blizzie View Post
Anyone have any luck getting past 4.0 GHz with the 875K? If so, please share your settings.
Quote:
1.29vtt, at what ram speed?
I can't remember I'll check after this 50 linx run. Trying 3.7ghz @ 1.168vcore, 1.19vtt.

So far I haven't had any luck with lower voltages using a higher multiplier. I am almost starting to think using lower multipliers is more stable?

@Blizzie: The only way I could recommend this cpu is if you can get it for $200. The i7 860 will overclock just as good.
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My System
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120gb Vertex 3 Max IOPS/40gb Kingston SSD/ 500g... Asus Dvd burner Ultra 120 Extreme Win 7 
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Samsung BX2450 Filco Mx Brown Corsair 650TX CM 690 II Advanced 
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