krsboss Posted October 1, 2010 Share Posted October 1, 2010 Hi, I've recently added an H70 to my system and even with the two 'resistor' connectors, my computer sounds like it's going to take off and that I'm sitting in an aeroplane seat during take-off. Previously I had a Zalman heatsink / fan, which was supremely quiet and actually adjusted rpm with load requirements by the bios CPU Q-fan control on my motherboard. However with the same settings, the fans on the H70 are sitting at a stable 1700 rpm and do not change with load. Is this usual and should I find some other way of toning down the rpm to meet my noise requirements? I haven't changed any motherboard settings for the installation of the H70, it just isn't paying any attention to the Q-fan settings and is very happy at what I presume is max RPM with the additional resistors. I have some spare fan-resistor cables from my Noctua NF-P14 which could probably help quieten it down further, however I see that as a work around rather than addressing the issue! cheers, krs Link to comment Share on other sites More sharing options...
kkolbo Posted October 1, 2010 Share Posted October 1, 2010 Hi, I've recently added an H70 to my system and even with the two 'resistor' connectors, my computer sounds like it's going to take off and that I'm sitting in an aeroplane seat during take-off. krs Take a quick read of these posts. It is exactly what you are talking about. http://forum.corsair.com/v3/showthread.php?t=89387 Link to comment Share on other sites More sharing options...
krsboss Posted October 2, 2010 Author Share Posted October 2, 2010 Hi kkolbo, thanks for your reply, I had a read of your post and I like what you've done (and like the look of your system btw, nice choice of motherboard ;): ), however the problem I'm getting is kind of different. It seems that the q-fan or windows based fan xpert cannot control the rpm of the stock fans with the H70, maybe because there are two of them, however you don't seem to have this problem from your fan xpert screenies. For the moment I have put the 'blue' connector from my Noctua NF-P14 between the the splitter and the mobo cpu fan connector which has the fans running at a nice quiet volume now and still providing sufficient cooling with the cpu getting to ~60 on 100% w. prime95...however this resistor cable addition has had the interesting effect of invalidating cpu-fan rpm counts as fan-xpert / pc probe tells me that it's operating at rpm anywhere between 1200rpm - 22500rpm!!! Link to comment Share on other sites More sharing options...
kkolbo Posted October 2, 2010 Share Posted October 2, 2010 , however the problem I'm getting is kind of different. It seems that the q-fan or windows based fan xpert cannot control the rpm of the stock fans with the H70, maybe because there are two of them, however you don't seem to have this problem from your fan xpert screenies. The stock fans that come with the H70 are not controllable. If you notice in my system, I changed out the fans with Noise Blocker M12 fans which are controllable. That way the motherboard can control the fan speed based on the temp. Link to comment Share on other sites More sharing options...
krsboss Posted October 3, 2010 Author Share Posted October 3, 2010 hahah cheers man, I kinda guessed that the stock fans weren't controllable, but didn't see any info anywhere to explain :D guess I'll be looking for a couple of new 120mm fans then...at least this will give me the opportunity to further light up my case! Incidentally I mounted the H70 on the top of my 800D and am using it as an exhaust, switching the rear 140mm fan so that it's a second intake... cheers, krs Link to comment Share on other sites More sharing options...
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