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60c Idle!

G

Gurgeh

Junior Member
Hi,
According to Asus Probe, and my BIOS, my CPU idles at about 60 degrees celsius, with the board temp at 35, and it goes up to over 75 under load! I have an AMD 3800 processor, a thermalright xp-120 heatsink, and a Nexus 120mm fan, and I use arctic silver 5 between the cpu and heatsink. My motherboard is an ASUS A8N-SLI deluxe. These temps are with the case open so airflow isn't the problem. I removed the heatsink and reapplied the arctic silver (about the size of a bb) but the temp remained the same. In order to make sure it wasn't too thick I removed the heatsink again, cleaned off the heatsink side and replaced it, effectively cutting the amount of arctic silver in half, the temp dropped by about 1 degree. I'm not overclocking. Does anyone have any suggestions? From what I understand my components are excellent and I see no reason for the temp to be this high. I don't think I should need to resort to water cooling because as I said I'm not overclocking. Any advice would be much appreciated.

Thanks,
Micah
 
Do you have the most up-to-date BIOS? It sounds like the motherboard is reporting the incorrect CPU temp. Either that or you're not installing the XP-120 correctly, but since you have tried reseating the heatsink, I'd be inclined to go with the former.
 
Yes it is the most up to date BIOS. It had occurred to me that it might be reporting incorrectly because when i first noticed this it was actually above 80c, which I would think might fry the CPU. Is it possible to test the accuracy somehow? Oh, I should add that my computer seems to run fine, although sometimes Battlefield 2 exits for no reason, actually this happened with far cry a couple times too.
 
Ok I've been doing some research online and there are a couple of things that I'll add that might be the problem, just to foster a little conversation/brainstorming. 1. I currently have the fan sucking air away from the CPU, I think I should have it blowing down. 2. Is it possible the cpu voltage default is too high?

I'm at work right now so I'll check what the voltage is at when I get home, and try turning the fan over.
 
PC Probe sucks, BTW.

When I had an Asus in this thing, it'd randomly blurt out "CPU TEMPERATURE TOO HIGH" Then It wen't from 400C to 45C.

Same with my fans, It'd say "CPU Fan failure" for about 2 seconds then it'd go from 2 RPM back to 2700RPM
 
Thats something to keep in mind, I was also using speedFan which is supposedly good. Also I checked directly in the BIOS.
 
Is the heatsink hot to the touch? If your heatsink is doing it's job, you shouldn't be able to keep your finger on the heatsink for more then a second if the CPU is really that hot.

SilentPCReview had a review of the XP-120, they tested no difference between blowing or sucking so it's probably not the orientation of the fan.
 
No, the heatsink isn't that hot, you an easily put your finger on it, and it just feels a little warm.

Thanks for the info about the fan, I'll give it a shot anyway just to be sure though.

The more I think about it, if the temperature guage was correct, wouldn't the computer be freezing and rebooting?

 
Is there any way to verify what the cpu temp is, short of drilling into the heatsink? Has anyone else had problems with the ASUS A8N-SLI Deluxe misreporting cpu temp?
 
Yeah I was planning on trying MBM5 when I get home, which supposedly compensates for motherboards types which are consistently off, but if no one else is having this problem with the ASUS I don't think it will work. I'll try Ntune too, but it probably gets it from the BIOS. I think I'm just going to have to be confident that if my computer isn't freezing and rebooting that it is probably fine.
 
yeah the fan is slow, if I'm to trust any of my system monitors anymore, it supposely spins at 1050RPM. But it is 120mm and actually moves a lot of cubic inches.
 
Update: I flipped the fan around and it dropped the temp two degrees. Idle's now reporting at 57. The cpu voltage is right around 1.5 where it should be. I ran 3dmark05 twice and the cpu temp was being reported at 73c (score was 5922 btw). The heatsink was BARELY warm at all. I think it must be misreporting. Thanks everyone for you help. I'm still curious if anyone else is having this problem with the A8N-SLI deluxe. It isn't supported by MBM5 yet by the way.
 
Try Everest as well. It reports cpu temp and is free. Your idle is too high for the xp120 unless the room your in is 90F. Whats it say in your BIOS?
If 3 or more software temp monitors report your high idle temps (57C), than I would look at your HSF contact to the cpu and the amt of TIM you used. My 3500+@2.4 runs 37C idle/48C load with the xp120 and a 1200 rpm fan. g-luck! EDIT: Room temp is 74F.
 
Originally posted by: Gurgeh
Yes it is the most up to date BIOS. It had occurred to me that it might be reporting incorrectly because when i first noticed this it was actually above 80c, which I would think might fry the CPU. Is it possible to test the accuracy somehow? Oh, I should add that my computer seems to run fine, although sometimes Battlefield 2 exits for no reason, actually this happened with far cry a couple times too.
Click to expand...
They exit because of the damn memory... I have the same mobo, but everytime I try to run the memory higher than ddr 402 it starts to exit CS:Source and Doom3 gets errors as well.
 
Originally posted by: Gurgeh
Update: I flipped the fan around and it dropped the temp two degrees. Idle's now reporting at 57. The cpu voltage is right around 1.5 where it should be. I ran 3dmark05 twice and the cpu temp was being reported at 73c (score was 5922 btw). The heatsink was BARELY warm at all. I think it must be misreporting. Thanks everyone for you help. I'm still curious if anyone else is having this problem with the A8N-SLI deluxe. It isn't supported by MBM5 yet by the way.
Click to expand...

MBM5 is no longer updated.However I used it with my ASUS A8N SLI Dlx and had no problems at all.
Right now I am using Speedfan 4.24 for reading temps (Temp 1 is the A8N SLI Dlx Cpu temp in Speedfan) and controlling fan speeds. I suggest you use Speedfan.
One more thing: Try the Artic Silver Ceramic thermal compound because lots of people is having problems with Artic Silver 5 on the XP-90 and XP-120.
Good Luck!!
 
Originally posted by: MADMAX23
Originally posted by: Gurgeh
Update: I flipped the fan around and it dropped the temp two degrees. Idle's now reporting at 57. The cpu voltage is right around 1.5 where it should be. I ran 3dmark05 twice and the cpu temp was being reported at 73c (score was 5922 btw). The heatsink was BARELY warm at all. I think it must be misreporting. Thanks everyone for you help. I'm still curious if anyone else is having this problem with the A8N-SLI deluxe. It isn't supported by MBM5 yet by the way.
Click to expand...

MBM5 is no longer updated.However I used it with my ASUS A8N SLI Dlx and had no problems at all.
Right now I am using Speedfan 4.24 for reading temps (Temp 1 is the A8N SLI Dlx Cpu temp in Speedfan) and controlling fan speeds. I suggest you use Speedfan.
One more thing: Try the Artic Silver Ceramic thermal compound because lots of people is having problems with Artic Silver 5 on the XP-90 and XP-120.
Good Luck!!
Click to expand...
Why does XP-90 have problem with arctic silver 5?.. is it too thick?...
 
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