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AMD Phenom x2 555 Overclocking

post #1 of 12
Thread Starter 
Hi everyone my configuration is :

Gigabyte GA-MA78LMT-US2H
http://www.gigabyte.com/products/product-page.aspx?pid=3375#ov

AMD Phenom x2 555
http://www.pcstats.com/articleview.cfm?articleID=2490

2 GB RAM DDR3 1333 Super Talent

GV-R567OC-1GI
http://www.gigabyte.com/products/product-page.aspx?pid=3312#ov

Cooler Master Elite 335
http://www.coolermaster.com/product.php?product_id=5239

Cooler Master eXtreme Power Plus 400W
http://www.coolermaster.com/product.php?product_id=3765

ASUS Triton 88 (I got it on a bargon for 45$ ) cool.gif
http://uk.asus.com/product.aspx?P_ID=ngnrJAuyQwpRwPef

I am currently running my PC at 4 Ghz and i was wondering if i could go higher wink.gif My Voltage is 1.472 ( is that high? ) I also managed to unlock my other 2 cores applaud.gif No problem so far i have tested the PC on Prime95 4 hours and the Temp went from 24 C to 41 C . I didnt have the guts to got beyond 4 Ghz and i dont know if its safe ... I am not running the PC normaly 7/24h more like : every day for a max of 6-7h. I am open to new and better BIOS settings.
Edited by Megaflow - 3/3/11 at 2:05pm
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Phenom x2 555 Gigabyte GA-MA78LMT-US2H Asus 5670 ( GV-R567OC-1GI ) Super Talent 4 GB 1333 
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WD Black 1T Cooler Master eXtreme Power Plus 400W Cooler Master Elite 335 
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post #2 of 12
what cpu cooler do you have?

max v core is 1.55
its good as long as the temps stay below 62c, try to keep it around 50c

watch the temps while prim95 is doing small fft test
post #3 of 12
Thread Starter 
I am using Triton 88 look in the description i have given a link too
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Phenom x2 555 Gigabyte GA-MA78LMT-US2H Asus 5670 ( GV-R567OC-1GI ) Super Talent 4 GB 1333 
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WD Black 1T Cooler Master eXtreme Power Plus 400W Cooler Master Elite 335 
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Phenom x2 555 Gigabyte GA-MA78LMT-US2H Asus 5670 ( GV-R567OC-1GI ) Super Talent 4 GB 1333 
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WD Black 1T Cooler Master eXtreme Power Plus 400W Cooler Master Elite 335 
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post #4 of 12
OH MY LAWD IT'S GOING TO BLOW
Gigabyte low-end 4+1 + unlocked x2 (125W proc unlocked) + overclock + high voltage = INSTANT DEATH SENTENCE
LOCK THOSE CORES NOW AND RETURN TO STOCK
(Read links in sig for more info - Why 4+1 = usually bad, AMD motherboard VRM info)

Low-end 3-transitor Gigabyte 4+1 VRMs are especially known to blow up, it's almost as bad as MSI even
You will need a new motherboard to safely unlock/overclock. Sorry to wreck your day, but VRM failures have been appearing every day for the past 9 days, on this site only. Multiple failures on most days. Many have pictures. I don't want you to be next.
post #5 of 12
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post #6 of 12
the RAM is right, lock those cores back up

if you don't believe him, feel the temp of your mosfets. i can guarantee they will be too hot to hold your finger there for more than a few seconds

although, i don't advise doing this with your pc on

that's the sort of thing i do, and i'm stupid, so don't do that
AMD AWESOME
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post #7 of 12
Thread Starter 
Yea the overclock on this motherboard is absurd but can i return to stock speeds and leave the unlocked cores ... ? Sorry about the double thread didnt do it on purpose.
I locked the 2x cores and the Power consumption drasticly dropped :
Edited by Megaflow - 3/4/11 at 12:13am
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Phenom x2 555 Gigabyte GA-MA78LMT-US2H Asus 5670 ( GV-R567OC-1GI ) Super Talent 4 GB 1333 
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WD Black 1T Cooler Master eXtreme Power Plus 400W Cooler Master Elite 335 
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Phenom x2 555 Gigabyte GA-MA78LMT-US2H Asus 5670 ( GV-R567OC-1GI ) Super Talent 4 GB 1333 
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WD Black 1T Cooler Master eXtreme Power Plus 400W Cooler Master Elite 335 
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post #8 of 12
You can do a overclock with the chip as a dual core...just make sure you do not past 1.45v cpu voltage or the mosfets and VRM temps shoot up, i know this cause i have a temp probe on mine and anything above 1.45v shoots up the temps.

I have been looking at the recent failures of the boards here and the average voltage that causes them to fail is 1.45-8. But honestly i don't know if those people got bad boards because i had my crap board @ 1.6v trying to get to 4.7ghz for the entire day and no smoke so better be safe than sorry
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post #9 of 12
Quote:
Originally Posted by xd_1771 View Post
OH MY LAWD IT'S GOING TO BLOW
Gigabyte low-end 4+1 + unlocked x2 (125W proc unlocked) + overclock + high voltage = INSTANT DEATH SENTENCE
LOCK THOSE CORES NOW AND RETURN TO STOCK
(Read links in sig for more info - Why 4+1 = usually bad, AMD motherboard VRM info)

Low-end 3-transitor Gigabyte 4+1 VRMs are especially known to blow up, it's almost as bad as MSI even
You will need a new motherboard to safely unlock/overclock. Sorry to wreck your day, but VRM failures have been appearing every day for the past 9 days, on this site only. Multiple failures on most days. Many have pictures. I don't want you to be next.
According to posted specs, my Asus board has 8+1 phase power design. I have no idea what that means, but I also run an unlocked X2 at over 4GHz with about 1.5V 24/7. Should I be concerned? Temps appear to be in the mid 50s though I haven't checked the VRMs to see how they're hangin'.
Edited by phrossbyte - 3/6/11 at 8:12am
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Lucy
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post #10 of 12
phrossbyte with the quality heatsinked 8+1 VRM you should be far from concerned. VRMs should ideally be about as hot as CPU as load, cooler would be better though.
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