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ATI 4870 1GB fan going nuts during games with particles

Last response: in Overclocking
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December 30, 2010 3:17:51 PM

Sapphire ATI Radeon 4870 1gb
AMD Phenom II 965 BE
6gb DDR2 RAM
BFG 650W PSU
Gigabyte MA785GM motherboard


My graphics card fan & temperature goes completely nuts when i play many games such as Battlefield 2, Counter-strike, or any game with dust particles flying around, and then goes back to normal when they disappear, it's loud enough to sound like a jet engine is taking off.. I've updated drivers to 10.12 as well, no changes. Everything is at stock speed.

a b K Overclocking
January 2, 2011 6:45:31 AM

Idk man my Sapphire 4830 does that when i play racing games with alot of smoke, doesnt seem to hurt anything so unless the noise bugs you i wouldnt worry about it much.
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a c 173 U Graphics card
a b K Overclocking
January 2, 2011 7:02:52 AM

The more dust/particles for the card to render, the higher the workload/heat. You both mentioned AMD 4xxx cards which are getting older now. Perhaps you just need to clean the heatsinks?
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a c 230 U Graphics card
a c 148 K Overclocking
January 2, 2011 5:24:38 PM

The 4870 was one of the hottest running cards ever. All that screen activity revs it up to the max....try some compressed air on the cooling fan / heat sink.
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January 4, 2011 2:44:42 AM

Sounds like the gpu is having memory clock problems try forcing the fan to stay at a constant flow ,try 60% fan usage and monitor the clocks if they jump around then you have a chip problem.
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