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hey folks , i have a problem here ... sometimes my system gets rebooted automatically and also hangs sometimes ..... i checked once
my cpu temp in BIOS and it showed 86c .... i am using amd machine
running redhat linux...plz tell me wha to do
86c?!? your cpu should be a puddle of liquid....does your cpu even have a heatsink/fan on it? i would check to see...maybe your fan is not spinning....unless you live in new delhi where the temperature outside is like 50 degrees.
all i can suggest is getting a better cooling system d00d.
Mine is amd, oc'ed from 2.0ghz to 2.5 ghz... 28 degrees celcius at idle, 35 at load. First thing, clean any and all dust off your fan that has collected, as well as on the heatsink too. If you have dust gathering in between your heat sink and cpu die, well than re do your airflow. 2nd, re-seat your heat sink and fan, clean both heat sink and cpu die with 99% isopropyl, I know some say 90%, but 99% will not hurt a thing, even if splashed by accident. where 90% may if under odd conditions. Once completly clean, re apply some thermal grease, if possible, go with artic silver 3, took my temps down 7 degrees. If that doesnt work, buy a new HS&F for like 20 dollars. 80 degrees, jezus dude, get a little hot in your room?
There is no way your cpu could be running at 86 degrees celcius. I had a p233 once and the fan died causing the cpu and motherboard to burn up in about an hour roughly afterwards... So if your machine can actually run for a short time at 86 degrees celcius, I would be amazed as something is giving you false info on the actual temp. But don't get me wrong, reboots like your explaining could be caused by overheating most likely.
maybe that is false display but i dont get a problem some times without running my term for more that 30 hrs or so .... yes i agree
if it wd have been that much it wd have become cooker in that
much time ...
So...did ya get it fixed yet? Its not like it should be hard to bring the temp down on that damn thing. I have a terrible setup, and mine only runs at 52 degrees. I could have brought it down plenty with a new thermal compound and a decent heat sink...but it never crashes, and is stable, so why bother? - by the way, do NOT buy a solid copper cooling unit. Aluminum dissipates heat much better. Think about it...a hot penny in your hand, or a hot aluminum can. when was the last time you burned yourself on an aluminum can?
Distribution: RH 6.2, Gen2, Knoppix, 98,2000 + various
actually the current maximum athlon temp is like
85 degrees C. so i think it's possible, but i doubt
it too. usually you just see crap like that when the
fan is dead or the heatsink isn't seated right, and it's
only touching half the cpu or something like that.
(irony flies overhead...)
erm, aluminium has a thermal condtivity around 220 W/mK, copper has one of nearly 400 (i.e. nearly twice the energy will be conducted for a given temperature gradient, thickness and time).
A warm heatsink is good news - it means that energy is expended warming the heatsink NOT the cpu - a cold heatsink cannot lose that energy to the air pumped by your fan.
Diamonds, btw, come in at around 1000W/mK - anything less and your harware store is ripping you off
Distribution: RH 6.2, Gen2, Knoppix, 98,2000 + various
copper might just seem worse cause it's denser and
can hold a lot more heat.
i have burned my finger on an aluminum heatsink
before. i was testing a computer, and had left it running
a bunchmark. i came back in 20 minutes later and shut
the machine down. the heatsink was behind the power
supply, and i noticed the top of the computer was
unusually hot. i reached under the power supply to
feel how hot the heatsink was. the computer had
been turned off for about 30 seconds, and it blistered
the tips of 2 of my fingers. the fan header on the
motherboard and burned out, and the fan quit.
i would guess it was about 10 minutes or less before
i turned the machine off. i don't think it could have run
as long as it did without the fan on at all. anyway, it
killed the skin on the tips of 2 fingers.
Oh well. I must have a crappy thermal compound in there then since this latest copper one I've got really sucks. All I know is that I can pull aluminum foil out of the fire and touch it immediately and not get burned since it has dissipated the heat...and that my newer copper heatsink sucks compared to the old aluminum one that I gave to a friend in need.
I always thought that the numbers said that copper was better...so I didn't really understand the oddity of what I had personally experienced... my bad...I do not wish to lead anybody astray.
I try to keep my Duron around 49c but I have had it get to about 55c. Does it hurt it when I run it that hot or I am just being paranoid? I did see something neat though, take off all the fans on the motherboard and powersupply and put them in a case with motor oil. Apparently motor oil is non-conductive and it dissapates the heat really well with a liquid cooling system around the outside. Here it is