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andrewy
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PostPosted: Mon May 24, 2004 2:04 am    Post subject: CPU Temp: How hot is too hot? Reply with quote

I have a AMD XP 2400 with 3 case fans (and a PCI fan) with a standard AMD heatsink/CPU fan.
Output of sensors -f and sensors:

temp2: +121.1 F (high = +248 F, hyst = +239 F) sensor = thermistor
temp3: +107.6 F (high = +248 F, hyst = +239 F) sensor = thermistor

temp2: +49.5 C (high = +120 C, hyst = +115 C) sensor = thermistor
temp3: +42.5 C (high = +120 C, hyst = +115 C) sensor = thermistor

Is this too hot for my CPU? It's this temp whenever I'm using it, it goes up a few degrees with high CPU usage, and probably goes down a little when it's completely idle.
What heatsink/CPU fan would you recommend to help cool it down? The main problem is that it can only be a little noisier than the normal AMD heatsink, as the computer is in my bedroom.
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ShamrockMan
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PostPosted: Mon May 24, 2004 2:11 am    Post subject: Reply with quote

For AMD chips, 85°C is the maximum temp. 50°C is right around where it should be. The sensors on your mobo can range by 20°C, so keeping your proc under 60° is a good idea.
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Vanquirius
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PostPosted: Mon May 24, 2004 2:22 am    Post subject: Reply with quote

Under 50 degrees Celsius is fairly good I'd say.
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stonent
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PostPosted: Mon May 24, 2004 5:09 am    Post subject: Reply with quote

Intel rates their cpus to be safe up to 100C I'm sure AMD is pretty close, but go and watch the AMD videos on Tom's Hardware and see them go up to about 600F.
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Last edited by stonent on Mon May 24, 2004 8:48 am; edited 1 time in total
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PostPosted: Mon May 24, 2004 5:11 am    Post subject: Reply with quote

Six fucking hundred??????????? No kidding!?
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PostPosted: Mon May 24, 2004 5:16 am    Post subject: Reply with quote

http://www4.tomshardware.com/cpu/20010917/heatvideo-05.html

370 degrees Celsius = 698 degrees Fahrenheit
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PostPosted: Mon May 24, 2004 5:30 am    Post subject: Reply with quote

Hell, I twice burned my AMD Athlon XP old core CPUs! weird!
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PostPosted: Mon May 24, 2004 6:01 am    Post subject: Reply with quote

the northwood core is rated for a max temp at 70-75c
the barton cor with the 200mhz fsb is rated up to 85c
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PostPosted: Mon May 24, 2004 7:09 am    Post subject: Reply with quote

AMB Athlon Thunderbird is rated up to 95 degrees.

My TBird 1333 reaches up to 75 degrees on high processor usage.
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PostPosted: Mon May 24, 2004 7:34 am    Post subject: Reply with quote

Mine only runs about 85F at idle, sometimes cooler. The hottest I have ever seen is 110F. I was compiling Gentoo stuff for quite a while. I have since put a duct on my CPU fan to help make the air circulate better. Dryer duct is next. :oops: To cheap.

If mine got to 140 or 150F I would be doing some killalls to see what is wrong.

If you are really concerned, get a bigger heatsink and fan. I have a Volcano 11+ with the auto temp control. It works really well.

:D :D :D :D
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PostPosted: Mon May 24, 2004 8:13 am    Post subject: Reply with quote

spitzwegerich wrote:
AMB Athlon Thunderbird is rated up to 95 degrees.

My TBird 1333 reaches up to 75 degrees on high processor usage.


Gett a good coolermaster sink it will run at 40-50 :D
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PostPosted: Mon May 24, 2004 8:48 am    Post subject: Reply with quote

Are we all speaking in C or F here?
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PostPosted: Mon May 24, 2004 9:08 am    Post subject: Reply with quote

C i think.
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PostPosted: Mon May 24, 2004 9:19 am    Post subject: Reply with quote

Anything under 70 is good for my computer (XP 2400+). Somewhere around 76-79 the computer will crash. But I only used to get that high because my dad inserted the cooler the wrong way around. Now that I got a new one and put it there myself I get much less.
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PostPosted: Mon May 24, 2004 2:00 pm    Post subject: Reply with quote


  • AMD Athlon XP 2600+
  • Stock AMD HSF (fan blowing away from heatsink)
  • 1x92mm front fan (intake)
  • 1x92mm rear fan (extracting)
  • 1x80mm rear fan (extracting)

CPU temp peaks at 47C-52C, depending on room temperature.
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PostPosted: Mon May 24, 2004 7:25 pm    Post subject: Reply with quote

SlicerDicer wrote:
spitzwegerich wrote:
AMB Athlon Thunderbird is rated up to 95 degrees.

My TBird 1333 reaches up to 75 degrees on high processor usage.


Gett a good coolermaster sink it will run at 40-50 :D


Actually, I have a big "Arctic Cooling" heatsink. Maybe I should change the 5 years old heat-conductive paste to a newer one 8)
But to my surprise, the system runs totally stable, also after a day of permanent compiling.

stonent wrote:
Are we all speaking in C or F here?

C
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PostPosted: Mon May 24, 2004 7:33 pm    Post subject: Reply with quote

This thread reminds me of my uncle who brought over a pc and asked why it was not working. Upon opening it the heat sink was lying on one side of the case. :roll: :lol:
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andrewy
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PostPosted: Mon May 24, 2004 8:01 pm    Post subject: Reply with quote

abzs2k wrote:
This thread reminds me of my uncle who brought over a pc and asked why it was not working. Upon opening it the heat sink was lying on one side of the case. :roll: :lol:

lol :lol:
that's great
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PostPosted: Mon May 24, 2004 8:18 pm    Post subject: Reply with quote

I'm at 52C right now, running a few programs on my laptop. Highest I've seen on it is 64C. Lowest about 46C. Usually hovers around 50C. But, then again, they're trying to fit a lot of power into a 12.1" laptop :).
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PostPosted: Mon May 24, 2004 8:22 pm    Post subject: Reply with quote

I found a big CPU list with temperature specifications, among other things.
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PostPosted: Mon May 24, 2004 8:31 pm    Post subject: Reply with quote

spitzwegerich wrote:
I found a big CPU list with temperature specifications, among other things.


Very nice site, good find!
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andrewy
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PostPosted: Mon May 24, 2004 8:40 pm    Post subject: Reply with quote

Nice list, I just wish it had the "normal" operating temperatures for the CPUs. That's what I'd like to know.
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PostPosted: Mon May 24, 2004 9:48 pm    Post subject: Reply with quote

IMHO it's not that important how hot it should get at max - of course you should consider a new fan when themperature goes over 70°C constantly - it's much more important that it's not wamring, cooling, warming, cooling...

personal experience showed, cpus that run 24/7 at 60°C +-5°C have a longer lifetime than cpus running at 45°C for some hours, cool down again to get heaten up in some hours.

the material isn't designed for this kind of temperature changes. it gets chappy and will break sooner or later.
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PostPosted: Mon May 24, 2004 9:55 pm    Post subject: Reply with quote

andrewy wrote:
Nice list, I just wish it had the "normal" operating temperatures for the CPUs. That's what I'd like to know.


I think a lot of it has to do with what you use to remove the heat. Naturally the bigger, or better, the heatsink is, the cooler it will run. A laptop has even more problems with that. There is not enough room for a big heatsink.

Mine does run cool but I have a really good heatsink and good airflow, after a bit of tinkering, in the case. I even strapped a heat sink to a hard drive that was running warm. The CPU blows on it after I made a cardboard duct.

It really depends on what you have to work with as to what is normal. It's kind of like health, compared to you I may be really bad off, but compared to others with similiar problems I may be doing average.

I would just try to keep it as cool as I can. That is about all you can do anyway. If it is too hot, improve air flow in the case, bigger fan, and/or bigger heatsink for CPU.

That's all I can come up with.

8O :D :D :D :D
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PostPosted: Mon May 24, 2004 10:04 pm    Post subject: Reply with quote

Here is a link that may help.

http://www.heatsink-guide.com/maxtemp.htm

pYrania is right. That is one reason I use the auto speed control on mine. It really keeps the air about the same temp all the time. The hotter it tries to get the faster the fans run. I do have a lot of fans in there too.

Later, again.

:D :D :D
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