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Phenom II 560 Unlocks however...

post #1 of 35
Thread Starter 
Unlocked third and fourth core Win 7 64 starts up and everything is fine. Temps idle around 100F with stock HSF. Computer powers down suddenly with no increase in temp apparently. VCore at 1.4 and NB 1.2 at 2000MHz. Looking for help and advice. I understand that my equipment (except CPU) is not listed as good for unlocking or overclocking in the guides on this site. I have read several. I'm looking for tips like disabling spread spectrum and using ACC functions. I have tried running as a triple core or quad and Windows starts up and runs fine but then shuts down within minutes or after 30 minutes or so depending on how hard I push the system (stutters while gaming). I have also reduced the multiplier on the cores to 3 GHz and it seems to not crash as quickly. Runs fine idling at 100 F as dual core overclocked to 4 GHZ with stock HSF. Any help here?

ASRock 880GM-LE AM3 Micro ATX Motherboard (3+1 Phase)
2600MHz Hyper Transport (5200 MT/s)
Phenom II X6 6-Core CPU Ready
Supports AMD OverDrive with ACC
Supports Dual Channel DDR3 1800(OC)

Mushkin Enhanced Essentials 4GB (2 x 2GB) 240-Pin DDR3
SDRAM DDR3 1333 (PC3 10666)

AMD Phenom II X2 560 Black Edition Callisto 3.3GHz
with Stock Heatsink

HIS Radeon HD 4670 1GB 128-bit DDR3 PCI Express 2.0 x16

Antec EarthWatts Green EA-380D Green 380W Continuous
power ATX12V v2.3 / EPS12V 80 PLUS BRONZE Certified Active
PFC Power Supply
+3.3V @20A
+5V @20A
+12V1@17A
+12V2 @15A
-12V @0.8A
+5VSB @2.5A
Edited by geckyl - 5/24/11 at 7:00am
post #2 of 35
idle at 100F? is it me or is that hot for idle. whoa, maybe the cores are unstable temperature wise that's why they are disabled. keep it at either 3 cores or 4 cores without overclocking and run it for a few minutes and check if it still shuts down. and with a 4+1 phase that could be scary situation.

it could be the power supply. if its intense gaming the gpu may consume alot of power and the psu might not be able to handle since its only a 380w.
    
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post #3 of 35
32C is roughly 98F

for an idle it's good

and from my understanding:
Just because it unlocks it doesn't mean It'll play nice. They are locked from 4 cores to 2 for a magnitude of reasons! sometimes the reasons are so minute that the unlock will work gloriously while some were locked for specific reasons like; "just doesn't work".

Hmm your GPU shouldn't use too much power. You are however running on a 380W PSU It might be that the PSU cannot handle pushing power to four cores.
Edited by Dorianime - 5/22/11 at 10:22pm
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post #4 of 35
Quote:
Originally Posted by aChao View Post
idle at 100F? is it me or is that hot for idle. whoa, maybe the cores are unstable temperature wise that's why they are disabled. keep it at either 3 cores or 4 cores without overclocking and run it for a few minutes and check if it still shuts down. and with a 4+1 phase that could be scary situation.

it could be the power supply. if its intense gaming the gpu may consume alot of power and the psu might not be able to handle since its only a 380w.
For the stock heatsink, 38C for idle seems about right.
    
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post #5 of 35
I have an unlocked Phenom II 555 to x4, and it shuts down on on some games like CoD and Crysis Warhead from last year. I figured the problem was the low voltage, as mine runs only with 1.36 volts and 3.6 GHz. While overclocked higher than 3.6 GHz, it would cause even more problems with lesser tasks like browsing, WEI performance tests, etc. But then again, I don't want to slowly kill my CPU, so I stayed at 1.36v.
    
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post #6 of 35
Quote:
Originally Posted by aChao View Post
idle at 100F? is it me or is that hot for idle. whoa, maybe the cores are unstable temperature wise that's why they are disabled. keep it at either 3 cores or 4 cores without overclocking and run it for a few minutes and check if it still shuts down. and with a 4+1 phase that could be scary situation.

it could be the power supply. if its intense gaming the gpu may consume alot of power and the psu might not be able to handle since its only a 380w.
Ummm..100F is 38C, which is not bad for idle.
And a 380 watt is fine for his system.

You're pumping 1.4v through an unheatsinked 3+1 (not 4+1) phase motherboard. That most likely why it's shuttting down. Most probably wouldn't even recommend unlocking it on that board.

http://www.overclock.net/amd-cpus/94...hy-choose.html
http://www.overclock.net/amd-motherb...tion-list.html
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post #7 of 35
Thread Starter 
The GPU consumes 59W max according to AMD. The Power supply delivers 380W continuous with two 12V rails and gets great reviews at the egg place. I know it is not awesome or ideal. Maybe I need MOSFET heatsinks or something. The board is "6-core Ready". Thanks for the quick reply.
post #8 of 35
What are the temps when your stressing the system?
What are you running your memory at?
Do you have mosfet heatsinks on the... mosfets?

Try testing it as a dual core but using one of the unlocked cores as the second core.
post #9 of 35
Quote:
Originally Posted by geckyl View Post
The board is "6-core Ready". Thanks for the quick reply.
I believe this applies to you too. Just because it says so doesn't mean it really can.

Quote:
Over Current Protection (OCP) is something I have recently been examining. I believe it is a crucial feature on motherboards today, because this is the function that will protect your VRMs from a catastrophic failure. This is why I have never seen ASUS boards fail even if people take a lowly 3+1 ASUS boards and try to overclock a Phenom II x6 on it; ASUS boards normally always feature OCP technology. OCP can work in various ways; one of the ways it works is it downclocks the CPU speed & voltage - via cool'n'quiet or it's own function - if the VRM temperatures are detected as too high (similar to if CPU temps are too high), until they can recuperate and lower again. This is how ASUS gets away with rating a few select 3+1 phase AMD motherboards at 125W, though at times the OCP may kick in too often at load even at stock speed/stock cooler and the rating would've been slightly improper for the board. Another common way is a full board shutdown; if MOSFETs are overloaded suddenly to the point where immediate shutdown is needed for protection (i.e. beginning an OCCT run on a 3+1 power phase on a Phenom II x6 OC'ed and at 1.5V), then OCP will kick in and the board will shut down to protect itself.
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post #10 of 35
Thread Starter 
Quote:
Originally Posted by fazio93 View Post
Ummm..100F is 38C, which is not bad for idle.
And a 380 watt is fine for his system.

You're pumping 1.4v through an unheatsinked 3+1 (not 4+1) phase motherboard. That most likely why it's shuttting down. Most probably wouldn't even recommend unlocking it on that board.

http://www.overclock.net/amd-cpus/94...hy-choose.html
http://www.overclock.net/amd-motherb...tion-list.html

Your right. I'm not sure how I go it in my head that it was 4+1. Thanks! What would be a good board (Micro ATX) for me? Thank-you again.
Edited by geckyl - 5/22/11 at 10:40pm
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