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Overheating

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My PC: Windows Me, PIII-500MHz, 384MB-RAM, Asus MB, ATI Rage AGP 4X Video + 4 fans.

When playing games like Flight Simulator or another heavy graphics software my CPU overheats. CPU fan is running at 6000RPM. I don't know what is the problem. I suspect a slow CPU (500MHz?).
Any suggestions?

19 replies

by dmiles

You may want to invest in a bigger Fan and Heatsink for the CPU
There is also the option of using Thermal Grease between the Heatsink and CPU
With four fans in the system it may be wise to check out the fans to see how you can improve the circulation or using specific fans such as a graphics card fan

by maxwell edison

Soulrider made some good suggestions. I've learned that there is indeed a difference between fans - both CPU fans and case fans. It's worth paying a few extra dollars for high quality fans. (Or high quality anything, for that matter.)

Something else you may want to consider, however, is the location of the case. Is it tucked away under a desk? The exhausted air does need a way to escape. If that's the case, you may want to relocate it.

I knew a guy who had his computer case under his desk, and there was no way for the exhausted air to escape. He literally connected a dryer exhaust duct (a 4" flexible duct) to the back of his computer, and ducted the fan exhaust through the wall and into his mechanical room on the other side. Not onlydid his computer run cooler, but it was quiter as well. (Most likely an unreated story, but interesting.)

Good luck,

Maxwell

by maxwell edison

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Sorry about the double post. I noticed a "typo" (unrelated), hit the stop button to correct it, but too late.

ME

by maxwell edison

Soulrider made some good suggestions. I've learned that there is indeed a difference between fans - both CPU fans and case fans. It's worth paying a few extra dollars for high quality fans. (Or high quality anything, for that matter.)

Something else you may want to consider, however, is the location of the case. Is it tucked away under a desk? The exhausted air does need a way to escape. If that's the case, you may want to relocate it.

I knew a guy who had his computer case under his desk, and there was no way for the exhausted air to escape. He literally connected a dryer exhaust duct (a 4" flexible duct) to the back of his computer, and ducted the fan exhaust through the wall and into his mechanical room on the other side. Not onlydid his computer run cooler, but it was quiter as well. (Most likely an unrelated story, but interesting.)

Good luck,

Maxwell

by thechas

In addition to the hints from soulrider and maxwell;

If you have had the system for a while, open it up and clean the dust from all fans, heatsinks, and vent openings.
Dust is a very good insulator. Once a heatsink is covered with dust it's performance drops significantly.

I keep my running systems at least 8" off the floor to reduce the amount of dust they suck in.

All things equal, a slower CPU will run cooler than a faster one. It just takes a little bit longer to do things.

One CPU related setting that does make a difference is the core voltage. If it is set high, the CPU will generate a lot more heat.

by b_pope

to add to what soulrider suggested.
make sure your rear fan is exhausting out of the case if the front ones sucking air in & don't think of the power supply fan as a case fan, it doesn't do much for the case.
also clean the fans from time to time
to be sure it is fan related remove your case panels & run your game with the case wide open, see what happens then

by b_pope

if you haven't already done so, you might want to go to the ASUS web site & download one of their utilities called, ASUS Probe, I'm running V2.14.04 their may be a newer one.

it moniters CPU & MB temps plus fan speeds, also provides a lot of system info.

you can set it to alert at certain temperatures & it will adjust fan speeds to maintain temps.

by lwd86

If this motherboard is one that lets you set the voltage, bus and clock multiplier then double check your settings. You may be pushing the CPU too hard.

by syruphine

Go BIOS SETUP and see the CPU Overheat Alarm it may be to low, that's why your give a overheat alarm. if it is setup properly. My question is is the Processor Heatsink is properly attached with the processor (use a colling gel to make your processorhave a good contact to heatsink)

by chud

Agree with both Soulrider and Maxwell.

6000rpm sounds about right for a fan running off the mobo rather than direct from the power supply.

Rather than fan speed I would be inclined to look at the size and type of heat sink you are using - alsothat it is making good thermal contact with the cpu. What follows depends on your technical expertise but I would suggest replacing your Heatsink and fan and using Arctic Silver II thermal grease to ensure good heat transfer. Have a look at some hardware related sites (e.g. tomshardware, overclockers.com etc) for more information on heat management. - On a side note if you don't have one already it's worth installing a case exhaust fan.

Chud

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