Wimpy case fan power on DH67BL(B3)?

Chrisk-K May 6, 2012 6:18 PM

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I have two 120mm Enermax case fans in my Antec P180 case. When I had an Intel D975XBX2 motherboard, those fans' rpm was 800-1000, moving enough air.

Now with the DH67BL, their rpm is 400-450, barely moving air. At first, I thought the fans didn't get enough power because of their 3-wire connector. I tested with S-Flex 120mm fans w/ a 4-wire connectors. The same low rpm.

I have the latest bios. I wonder if something's wrong with my motherboard, or if this is normal for the DH67BL.

1. Re: Wimpy case fan power on DH67BL(B3)?

Flying_Kiwi May 7, 2012 1:31 PM (in response to Chrisk-K)

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I don't have that particular board but the two case fans connected to my DG45ID both run between 580 - 620 RPM (the CPU fan runs at around 1135 RPM) and it seems the trend is that newer motherboards only speed up the fans when the cooling is actually needed ie when things start to get too warm. As long as Intel Desktop Utilities says your temperatures are all in order, enjoy the silence!
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2. Re: Wimpy case fan power on DH67BL(B3)?

Chrisk-K May 7, 2012 3:21 PM (in response to Flying_Kiwi)

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That makes sense. Compared to the temperature I got when I had a BadAxe2 and an OC'ed Q6600, it's not even warm with the DH67BL + i5 2500. Now that my PC is so quiet, I'm sort of annoyed by HDD noise, which I hardly heard before! I might get SSDs...
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