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AMD Athlon X2 7750 BE OC Club - Page 49

post #481 of 1165
http://www.overclock.net/group.php?groupid=199

The 'Real' AMD 7750 B.E. CLUB.. Coming Soon I will go through and make it for stable or not stable clocks and will fill out all the info from this club to help out Trip.

Edit: For those of you who are in this club, come join on in!!!
We can use this as the "info" thread and use to other for members clocks only. So if you want to ask questions or show your clocks just post them here. Thanks, ....STL....
Edited by STL_OverClocker - 2/21/09 at 11:09am
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In+el $h!+in...
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post #482 of 1165
Thread Starter 
Quote:
Originally Posted by STL_OverClocker View Post
http://www.overclock.net/group.php?groupid=199

The 'Real' AMD 7750 B.E. CLUB.. Coming Soon I will go through and make it for stable or not stable clocks and will fill out all the info from this club to help out Trip.
sounds good bro.
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post #483 of 1165
Quote:
Originally Posted by Livinstrong View Post
Now that is just messed up. I have the same motherboard and I am running with the same settings!! Hove you been able to get past 3.2GHz? ...I can't

Here is my overclock, 11 hours stable CPU-Z screen shot below
No, I have not been able to get past 3.2Ghz, I am at 3,2Ghz just with less voltage than you. I think I ran for 8 hours prime. I tried 3.3 at this same voltage and it only lasted 10 min or so prime. Not sure if I should try pushing 1.45V with this board long term, although that is what I used for my 5000BE but it was a 65W TDP.

Anyways, what kind of cpu cooler do you have and does it also provide some cooling for the board(MOSFETS). I have a Zalman 9700 with auto fan control that usually has it at about 2300-2600rpm at full load(max is 2800rpm). MY cpu temp is reported(with speedfan) as 49C max and the core temp is 36C max.

Also I have a small fan blowing on the back of the mobo which will keep the MOSFETS cooler since they cool through the pcb. This could be giving me more stable power. Also I have a decent 600W PSU.

Oh in case you hadn't noticed, when a K10 cpu is in this board(K9A2-CF), the BIOS option "HT link multi" actually corresponds to the NB on the cpu. But when my K8 was in there it actually corresponded to HT. Now with the K10 there is no way to change HT link in BIOS.
Edited by aggiebroz - 2/21/09 at 5:43pm
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post #484 of 1165
Even with the 790GX/750 I still am having trouble getting past 3.2 stable. I can boot to 3.4, but will either get rounding errors in the first P95 test, or BSOD within 15 min of P95. I'm new to OCing, so others can probably get better results than I have.

Another note, I can only get to boot to Windows 7 Beta at 3.4 if I only use the multi. Any raise in the FSB gives me serious issues past 3.2, usually BSOD.
Edited by Kuma790 - 2/21/09 at 9:50pm
    
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post #485 of 1165
Quote:
Originally Posted by Kuma790 View Post
Even with the 790GX/750 I still am having trouble getting past 3.2 stable. I can boot to 3.4, but will either get rounding errors in the first P95 test, or BSOD within 15 min of P95. I'm new to OCing, so others can probably get better results than I.

Another note, I can only get to boot to Windows 7 Beta at 3.4 if I only use the multi. Any raise in the FSB gives me serious issues past 3.2, usually BSOD.
You need to up your voltage if you expect an overclock of more than 3.00 ghz (in my experiences). I turned on ACC and was able to get to 3.2ghz with around 1.35v or so. After that, the voltage tends to be more and more and more.
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post #486 of 1165
Quote:
Originally Posted by Dopamin3 View Post
You need to up your voltage if you expect an overclock of more than 3.00 ghz (in my experiences). I turned on ACC and was able to get to 3.2ghz with around 1.35v or so. After that, the voltage tends to be more and more and more.
I've been running 3.2 stable at 1.3v for awhile now (see sig). Chipset and HT set to 1.3v, mem 1.9v.

I'm still waiting to get a good hsf, helping out bro who's laid off, so extra money is scarce this month. I've pushed it up to 1.4v, but then the temp starts to scare me, 58C loaded.

My main issue has been with trying to up the fsb. No matter what multi and mem settings I use, I lose stability quickly over 210. Should I lower the ht? I thought this board could handle 2000 ht easily.
Edited by Kuma790 - 2/21/09 at 9:44pm
    
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post #487 of 1165
Kuma790, your ram doesn't need 2.0v?
post #488 of 1165
No, it's PC-6400 rated at 1.8v 400 5-5-5-16-21-2t, and I've never pushed it above 1.9v, and still get stable results at 533 5-7-7-21-28-2t. Of course I lower it to 400 and set timings to auto when OCing higher than 3.2Ghz.

Do you think I should bump up the mem voltage a bit? If so, do I leave the sideport set to follow memory voltage, or set it back to auto?
Edited by Kuma790 - 2/21/09 at 10:43pm
    
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post #489 of 1165
Well 1.9v is good since its rated @ 1.8v. Do you have to have your HT set at 1.3v? How about 1.2v?
post #490 of 1165
These chips seem to have a HEAVY wall past 3.3ghz 3.2-3.3 you can use about 1.4v, which is still low, but on my system, to boot at 3.4ghz it takes 1.52v+ (usually 1.55v but I've booted with lower volts and lower temps) and past 3.4ghz it takes massive amounts of voltage. I'd say it's safe to say that these chips will run around 3.2-3.3ghz if you have good air.
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