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Asus m5a88-v evo

post #1 of 11
Thread Starter 
Hello folks,

I have this weird problem with my CPU and the temperature. I was using this Phenom in a 95 TDP motherboard and to prevent frying I undervolted and underclocked it to 2.6ghz, the motherboard was working fine for few months and I decided to upgrade to get more power out of my system. Now I was running on full load at max 52 degrees on stock Phenom II cooler and fan and idle around 33-37 celsius. Now on the new motherboard and Scythe Katana III the full load @ 3.2 ghz is getting up to 57 degrees with Prime64 and currently it's idling around 40 degrees, even though I have much better cable management and airflow in my case I am wondering why the temps went up so much with my new cooler/motherboard and even a new side fan. I also applied two times Zalman ZM-STG1. I haven't used the one that comes with the package of the Scythe cooler, should I try this? I also bought a CoolerMaster Hyper TX3 and used this one day before temps where kinda the same. If anyone got a suggestion what might be causing this or any idea what I should do to try to reduce the temp, please let me know. If you got any questions about my rig or anything related to it feel free to do so.

Thanks alot!!

P.S. I'm new to this boards. Nice to meet you all


System:
Miditower (no idead which brand :x)
Phenom II 955 BE @ 3.2 ghz (1.2250v undervolted)
Sapphire Radeon HD6850 1GB GDDR5 (defaults)
8GB Geil DDR3 @ 1333 (1.5v default)
OCZ ModxStream Pro 500Watt
ASUS M5A88-V EVO (HT @ 2000MHZ)
post #2 of 11
The temps went up because you are utilising the full capacity of your processor. It's not a huge increase anyway tbh.

If you're really that concerned, what method did you use to put your thermal paste on?You could have used too much/little and that could cause the increase.

But in short, it looks fine to me

comps
post #3 of 11
Thread Starter 
The Zalman comes with a brush like appliance, identical to polish nail brush. I just fully covered my CPU's head with it so there were no empty spots left. Did I apply too much and should I apply less? Thanks for your input. And on a side note wasn't the max temperature for 955BE 62? That's why I'm concerned with it reaching 57 and that with undervolting, I wanted to overclock to 3.5 but I guess that's out of the question for now.
post #4 of 11
That seems fine as long as you got a nice level layer of thermal paste on.

That is the max temp but the Phenoms do have a low max temp. I'm not sure how good that heatsink is tbh either... it might not be much better than the stock heatsink.

Btw, I could overclock my i7 from 2.66 - 3.2ghz without any increase in temps... I'd give it a little push and see how it goes

Comps
post #5 of 11
Thread Starter 
I'm gonna reapply thermal paste and I see if it changes. A new thing I was wondering, currently running Prim64 the 3rd core failed with some hardware error (this has happened in the past when the voltage was too low, now I'm wondering when the 3rd core is disabled the heat is much less and at 3.5 ghz it only maxes to 53. Does disabling the 3rd core going to be a huge performance drop? Should I consider overclocking to higher speeds with 1 core less or run 4 cores at a lower speed and benefit from that? Thanks for your kind help.
post #6 of 11
4 cores at a lower speed, there shouldn't be any need for you to lock down a core for stability.

I'd personally do a BIOS update just to make sure you're running the latest also reset your bios to default settings as well.

Comps
post #7 of 11
Thread Starter 
Thanks comps, I'm now running 4 cores at 3.5 ghz 1.3v it's been stable for the past 15 minutes temp going between 56-58 degrees on max load. Still need to reapply thermal paste, which I'll do after I take a shower and see if prime64 wont show any error.

Cheers for the help
post #8 of 11
I wouldn't bother re-applying thermal paste... It has a curing time so you should see the temps go down either way.
post #9 of 11
57 degrees load at 3.2Ghz stock is really hot. Then again, there is a curing time with most thermal pastes.
post #10 of 11
I have this same exact board with a 945 non-BE C3 95w chip, and at stock voltages/speed/cooler it was running at 55-59C while full load folding. I then installed an older XP-90 I had lying around and now it loads at 44-49C while overclocked to 3.6 GHz with 1.45v

It could be that you didn't apply the cooler right as others have mentioned, but I think you are within safe zone still. These chips can take up to 70C, but obviously the lower the better.

Also what program are you using to see the temps? Coretemp or HWinfo are good at reading the temps. (on hwinfo you use the value from the AMD 10h+ CPU Thermal Sensor)
Edited by Swiftdeathz - 8/11/11 at 1:25pm
Big Bertha Jr.
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Big Bertha
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CPUMotherboardGraphicsRAM
Intel i5 3570k @ 4 GHz Asrock Z77 Extreme4 Sapphire HD 7870 OC CrossFireX 8GB DDR3 1600MHz G.SKILL Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 250GB SSD Seagate 2TB HDD Asus BC-12B1ST BD-ROM TRUE Black push w/ Rosewill 120mm 
PowerCaseAudio
Seasonic X750 Rosewill Gear X3 X-Fi XtremeMusic + Audio-Technica M50S headphone 
CPUMotherboardGraphicsRAM
Intel Core2Duo E8400 Gigabyte P35-DS3L PowerColor HD 5450 4GB DDR2 G.SKILL 
CoolingMonitorPowerCase
Ximgatech Dark Knight 19" Spectre LCD Enermax 431W Inwin Q800 
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Big Bertha Jr.
(12 items)
 
Big Bertha
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel i5 3570k @ 4 GHz Asrock Z77 Extreme4 Sapphire HD 7870 OC CrossFireX 8GB DDR3 1600MHz G.SKILL Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 250GB SSD Seagate 2TB HDD Asus BC-12B1ST BD-ROM TRUE Black push w/ Rosewill 120mm 
PowerCaseAudio
Seasonic X750 Rosewill Gear X3 X-Fi XtremeMusic + Audio-Technica M50S headphone 
CPUMotherboardGraphicsRAM
Intel Core2Duo E8400 Gigabyte P35-DS3L PowerColor HD 5450 4GB DDR2 G.SKILL 
CoolingMonitorPowerCase
Ximgatech Dark Knight 19" Spectre LCD Enermax 431W Inwin Q800 
  hide details  
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