Question about temperatures and stability

Davidelmo · Nov 8, 2007, 12:34 PM

Hi all,
I've been having lots of terouble trying to find accurate CPU temperatures for my Q6600 g0

Latest beta of speedfan reports all sorts of strange numbers from -50C up to about 100C
Coretemp refuses to run on Vista 64

I also have Asus PC Probe II software, which I have heard is unreliable. However, that shows idle temps as about 50C, rising up past 80C under load. It simply says "CPU temp" and not specifically if that is core temperatures or not.

Either way, my question is - my computer is totally prime stable at 3.0Ghz, but Asus PC probe shows the temps going over 90C. Is this possible?

If the temp was actually 90C, surely the machine would be crashing or failing the test? I have run Prime (multicore version) on small FFTs, maximum heat generation, for >8hrs with NO problems.

Should I just ignore the temps and go by stability instead?

Davidelmo · Nov 8, 2007, 09:46 PM

Anybody?

Go by temps, which may not be reliable?

Or go by stability, and assume that if it is stable, it is ok?

Paulieg · Nov 8, 2007, 10:24 PM

TJunction on the Q6600 is 100c, so it may not crash or become unstable, but it's dangerously close to crashing, and burning up your processor. What does ASUS probe read for the idle temp? That may help to decide if probe is anywhere close to accurate. Also, you may want to try the free version of everest.

Davidelmo · Nov 9, 2007, 09:28 AM

Quote:

Originally Posted by Paulieg

TJunction on the Q6600 is 100c, so it may not crash or become unstable, but it's dangerously close to crashing, and burning up your processor. What does ASUS probe read for the idle temp? That may help to decide if probe is anywhere close to accurate. Also, you may want to try the free version of everest.

Asus Probe II puts idle as around 50C. That seems way too hot for me. The heaksink is barely warm to the touch.

Like I said, it says "CPU" - not specifying if it is Tjunction or core temperature

von kain · Nov 9, 2007, 09:55 AM

i can recommend you a program since all are they inaccurate a lot...take a classic thermometer or a laser one to check the reall temps..you are on stock cooling? and if a couple ofprograms tells you 90 then it maybe is 90

Wile E · Nov 9, 2007, 10:01 AM

Did you try Everest?

Paulieg · Nov 9, 2007, 12:44 PM

Quote:

Originally Posted by Davidelmo

Anybody?

Go by temps, which may not be reliable?

Or go by stability, and assume that if it is stable, it is ok?

These chips are pretty good at performing under high stress, so I wouldn't count on stability without knowing temps.

Sasqui · Nov 9, 2007, 12:51 PM

Are you confident the installation of your heatsink is all good? That is quite high, both the idle and load temps. What's your CPU voltage, load and idle?

3991vhtes · Nov 9, 2007, 01:29 PM

IMO, PC Probe is the most reliable way of checking temps. My CPU idle is 18*C, and that's what BIOS tells me, and PC Probe, but speedfan says 40*C WTF?

Davidelmo · Nov 9, 2007, 03:49 PM

My cooling is:
Thermaltake Blue Orb II on the CPU - fitting looks okay, but I guess I could always refit it

I also have 4 case fans:
120mm at the front (air in)
120mm side (air in)
120mm at the back (air out)
80mm at the top (air out)

My 8800gts also has an exhaust fan on it to push hot air out of the back

My room temperature is probably around 22C.

CPU voltage = 1.34v

Maybe a laser thermometer is a good idea. Where do I measure though? The heatsink is barely warm to the touch.

Davidelmo · Nov 9, 2007, 04:19 PM

One other thing which makes me doubt the Probe temperature is that under load the temp rises VERY quickly. It goes from ~40 to ~80 in almost a second.

But when I end the load, it drops back to ~40 in only a few seconds.

Does that seem right? To me it would seem like the CPU should take more than 1-2 seconds to cool down from 80C to 40C

KennyT772 · Nov 9, 2007, 05:13 PM

take the side panel off your case and touch the base of the heatsink. If it is indeed 50c (122F) it will be rather warm to the touch but not burn you. If it gets up to 80c (176F) or 100c (212F) you will get burned.

From what I have read the blue orb isn't a very good cooler for the quads. Check the temps and report back to us.

Davidelmo · Nov 9, 2007, 08:02 PM

Quote:

Originally Posted by KennyT772

take the side panel off your case and touch the base of the heatsink. If it is indeed 50c (122F) it will be rather warm to the touch but not burn you. If it gets up to 80c (176F) or 100c (212F) you will get burned.

From what I have read the blue orb isn't a very good cooler for the quads. Check the temps and report back to us.

Right, I've had a go. It's quite hard to get at the bottom of the heatsink because it is very wide and the awkward orb shape means I have to curl my finger underneath it. Plus the heatsinks and heatpipes on the Striker Extreme get in the way.

I managed to reach quite far down on the heatsink, although not right to the very bottom. Basically, it is *barely* warm to the touch. It is much cooler than the headspreader n my RAM, and it is cooler than the cooling system on my 8800gts. The fins of the heatsink are not warm at all.

I've been running Prime95 100% on all 4 cores for about 10 minutes. Asus Probe II sayd CPU = 73C.

tigger · Nov 9, 2007, 08:45 PM

Core temp 0.95.4 seems to be the best gauge for G0 temps,other versions/progs report the temps as 15c too low.

Davidelmo · Nov 9, 2007, 08:48 PM

Right, I have downloaded Everest and tried that:

Under load - after 10 mins with Prime95 100% on all 4 cores:
CPU = 64C
Core 1 = 72C
Core 2 = 73C
Core 3 = 79C
Core 4 = 81C

Does it look like maybe the heatsink isn't fitted right? Why is there such a difference between the 4 core temps?

panchoman · Nov 9, 2007, 08:53 PM

make sure that the blue orb is mounted properly

Davidelmo · Nov 9, 2007, 08:58 PM

It doesn't move or twist, so it seems firmly attached enough.

Should I order some AS5, unscrew it, clean it and remount it?

Wile E · Nov 10, 2007, 07:39 AM

Quote:

Originally Posted by Davidelmo

It doesn't move or twist, so it seems firmly attached enough.

Should I order some AS5, unscrew it, clean it and remount it?

Does it use the push-pin mounts? If so, double check it. You may not have all 4 in all the way. It wouldn't hurt to try re-seating it anyway. Seems to me your temps are high.

Davidelmo · Nov 10, 2007, 12:22 PM

Quote:

Originally Posted by Wile E

Does it use the push-pin mounts? If so, double check it. You may not have all 4 in all the way. It wouldn't hurt to try re-seating it anyway. Seems to me your temps are high.

Looks like 2 screws. I'll order some Arctic Silver and have a go

Nov 8, 2007, 12:34 PM	#1
Davidelmo Join Date: Oct 2007 Posts: 322 (0.16/day) Thanks: 28 Thanked 23 Times in 14 Posts System Specs	Question about temperatures and stability Hi all, I've been having lots of terouble trying to find accurate CPU temperatures for my Q6600 g0 Latest beta of speedfan reports all sorts of strange numbers from -50C up to about 100C Coretemp refuses to run on Vista 64 I also have Asus PC Probe II software, which I have heard is unreliable. However, that shows idle temps as about 50C, rising up past 80C under load. It simply says "CPU temp" and not specifically if that is core temperatures or not. Either way, my question is - my computer is totally prime stable at 3.0Ghz, but Asus PC probe shows the temps going over 90C. Is this possible? If the temp was actually 90C, surely the machine would be crashing or failing the test? I have run Prime (multicore version) on small FFTs, maximum heat generation, for >8hrs with NO problems. Should I just ignore the temps and go by stability instead?

Processor:	Intel i7 920 @4.20Ghz
Motherboard:	Gigabyte EX58 UD5
Cooling:	Titan Fenrir
Memory:	6Gb Patriot 1600Mhz
Video Card:	ATI HD4870 1Gb
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Optical Drive:	2x DVD burners
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Processor:	Intel i7 920 @4.20Ghz
Motherboard:	Gigabyte EX58 UD5
Cooling:	Titan Fenrir
Memory:	6Gb Patriot 1600Mhz
Video Card:	ATI HD4870 1Gb
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Optical Drive:	2x DVD burners
CRT/LCD Model:	Samsung 22 inch Widescreen
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Nov 8, 2007, 10:24 PM	#3
Paulieg The Mad Moderator Join Date: Feb 2007 Location: Wherever I can find the iron. Posts: 11,448 (5.02/day) Thanks: 2,519 Thanked 3,054 Times in 2,098 Posts System Specs	TJunction on the Q6600 is 100c, so it may not crash or become unstable, but it's dangerously close to crashing, and burning up your processor. What does ASUS probe read for the idle temp? That may help to decide if probe is anywhere close to accurate. Also, you may want to try the free version of everest. __________________ "I have found the Iron to be my greatest friend. It never freaks out on me, never runs. Friends may come and go. But two hundred pounds is always two hundred pounds." -Henry Rollins My heatware Save lives by joining the TPU WCG team!

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Hard Disk:	2x250Gb Seagate Barracuda (RAID 0) plus 2B storage
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Nov 8, 2007, 09:46 PM	#2
Davidelmo Join Date: Oct 2007 Posts: 322 (0.16/day) Thanks: 28 Thanked 23 Times in 14 Posts System Specs	Anybody? Go by temps, which may not be reliable? Or go by stability, and assume that if it is stable, it is ok?

Nov 9, 2007, 09:55 AM	#5
von kain Join Date: Sep 2006 Location: athens/greece Posts: 638 (0.26/day) Thanks: 40 Thanked 51 Times in 36 Posts System Specs	i can recommend you a program since all are they inaccurate a lot...take a classic thermometer or a laser one to check the reall temps..you are on stock cooling? and if a couple ofprograms tells you 90 then it maybe is 90 __________________

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Nov 9, 2007, 10:01 AM	#6
Wile E Power User Join Date: Oct 2006 Location: Western PA (Pittsburgh suburbs) Posts: 18,129 (7.49/day) Thanks: 450 Thanked 3,825 Times in 3,123 Posts System Specs	Did you try Everest? __________________ Visit Ashentech “What the hell did you expect? Leave Vista under the pillow and the OS fairy would make it Win7?” -El Fiendo “And Bring Mailman back god damnit, he is the Eric Cartman of TPU” -MRCL

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Nov 9, 2007, 12:51 PM	#8
Sasqui Eligible for custom title Join Date: Dec 2005 Location: Manchester, NH Posts: 6,042 (2.22/day) Thanks: 814 Thanked 899 Times in 733 Posts System Specs	Are you confident the installation of your heatsink is all good? That is quite high, both the idle and load temps. What's your CPU voltage, load and idle?

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Nov 9, 2007, 01:29 PM	#9
3991vhtes Banned Join Date: Apr 2007 Location: My house. Posts: 1,584 (0.71/day) Thanks: 426 Thanked 126 Times in 116 Posts System Specs	IMO, PC Probe is the most reliable way of checking temps. My CPU idle is 18C, and that's what BIOS tells me, and PC Probe, but speedfan says 40C WTF?

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Nov 9, 2007, 03:49 PM	#10
Davidelmo Join Date: Oct 2007 Posts: 322 (0.16/day) Thanks: 28 Thanked 23 Times in 14 Posts System Specs	My cooling is: Thermaltake Blue Orb II on the CPU - fitting looks okay, but I guess I could always refit it I also have 4 case fans: 120mm at the front (air in) 120mm side (air in) 120mm at the back (air out) 80mm at the top (air out) My 8800gts also has an exhaust fan on it to push hot air out of the back My room temperature is probably around 22C. CPU voltage = 1.34v Maybe a laser thermometer is a good idea. Where do I measure though? The heatsink is barely warm to the touch.

Nov 9, 2007, 04:19 PM	#11
Davidelmo Join Date: Oct 2007 Posts: 322 (0.16/day) Thanks: 28 Thanked 23 Times in 14 Posts System Specs	One other thing which makes me doubt the Probe temperature is that under load the temp rises VERY quickly. It goes from ~40 to ~80 in almost a second. But when I end the load, it drops back to ~40 in only a few seconds. Does that seem right? To me it would seem like the CPU should take more than 1-2 seconds to cool down from 80C to 40C

Nov 9, 2007, 05:13 PM	#12
KennyT772 Join Date: Dec 2005 Posts: 2,933 (1.08/day) Thanks: 19 Thanked 103 Times in 98 Posts System Specs	take the side panel off your case and touch the base of the heatsink. If it is indeed 50c (122F) it will be rather warm to the touch but not burn you. If it gets up to 80c (176F) or 100c (212F) you will get burned. From what I have read the blue orb isn't a very good cooler for the quads. Check the temps and report back to us. __________________ Xfire Heatware

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Nov 9, 2007, 08:45 PM	#14
tigger I'm the only one Join Date: Mar 2006 Location: HU5 1LL Posts: 7,189 (2.75/day) Thanks: 469 Thanked 940 Times in 773 Posts System Specs	Core temp 0.95.4 seems to be the best gauge for G0 temps,other versions/progs report the temps as 15c too low. __________________ http://img.techpowerup.org/110324/v6351cpuzvalj197.jpg ]Monster E6300 oc http://www.techpowerup.com/gallery/2163.html

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Nov 9, 2007, 08:48 PM	#15
Davidelmo Join Date: Oct 2007 Posts: 322 (0.16/day) Thanks: 28 Thanked 23 Times in 14 Posts System Specs	Right, I have downloaded Everest and tried that: Under load - after 10 mins with Prime95 100% on all 4 cores: CPU = 64C Core 1 = 72C Core 2 = 73C Core 3 = 79C Core 4 = 81C Does it look like maybe the heatsink isn't fitted right? Why is there such a difference between the 4 core temps?

Nov 9, 2007, 08:53 PM	#16
panchoman Sold my stars! Join Date: Jul 2007 Posts: 6,650 (3.12/day) Thanks: 339 Thanked 1,227 Times in 1,036 Posts System Specs	make sure that the blue orb is mounted properly __________________ Need any Graphics Made? Visit Graphic Artists United! R.I.P Megan--Heaven has a new angel

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Nov 9, 2007, 08:58 PM	#17
Davidelmo Join Date: Oct 2007 Posts: 322 (0.16/day) Thanks: 28 Thanked 23 Times in 14 Posts System Specs	It doesn't move or twist, so it seems firmly attached enough. Should I order some AS5, unscrew it, clean it and remount it?

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