I could tell the cooling system wasn’t doing its job properly. The system became nice and quiet however I started noticing it was running really hot (touching the heat-sink could fry my hand!). For instance, with a 56 Ohm the fan would not spin at all and anything lower than 11 ohms would make a lot of noise, so I after a few test I went for a 22 Ohm. I tried several different values (from 1 Ohm to 100 Ohm) connected to the red wire of the 4 pin Delta fan. So then tried the limiting resistor solution proposed by someone in a forum ( xenium-uk). Unfortunately, none of those solutions worked for me. You can check out some posts on this solution of this forum:
Some people managed to solve the problem by updating the bios with the new A03 version (available from dell online support website) and also by changing a few power management settings on it. One of the first things I thought was changing the Delta fan for a quieter one because after all, Deltas are very famous for 2 things: their extremely high air flow and off course their noise! Trust me there are loads of both… However the Dell mother-board has this unique 4 pin connector which is not compatible with any decent silent fan. So I think I tried all the suggestions to fix the loud fan problem. I've looked everywhere on the net and I realized there is a lot of other people facing the same problem. PC Specs: P4 3.4 800 fsb (model 550, LGA 775 Prescott), 3 GBs of RAM, ATI x800 XT 256 mb, 2x74GBs HD 10,000 RPM RAID 0, etc.Įxcept for the extremely loud fan (Delta AFC0912DE), the system's performance is amazing and I'm very happy with that. I've been having very loud fan problems with my Dell Dimension 8400 I bought a few months ago. If I for examle find out that it easily works when it is 60 degrees hot, then I will experiment with slower fans. The next thing I will do, is to find out which temperature my cpu can take, without shortening its lifespan too much. The system psu and system temperature was no higher than around 26 degrees - for you who use farenheit instead of degrees, I can tell you that my body temperature is 36 degrees and my room temperature is around 22 degrees. So I guess I was lucky that it didnt reach 71 degrees, which would make the Hardcano display go red and start an audible alarm. The gpu which is the bottom ATI X300 pcix kind without a fan, did almost reach 60 degrees before I started playing, but in the game it only moved between 65 and 69 degrees - the alarm threshold on the Hardcano couldnt be set higher than 70 degrees. After 3 hours of Hitman2 playing the cpu was 42 degrees hot - which must be a pretty low temperature. I have connected the 4 hardcano sensors to cpu, gpu, psu and the top of the cabinet.
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