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Can i use AM2 fans on AM3 CPU?

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July 25, 2012 11:37:10 AM

I have a spare AM2 fan (aftermarket) lying about and I need to replace my noisy 6000rpm phii 965 stock fan.

It's 92mm, 2000RPM 34.64 max RPM
Not sure if it helps, but DC12V, 0.18A, 2.16W

Would this be an upgrade for my CPU, or would it be even worse than the stock cooler?

Thanks in advance

More about : am2 fans am3 cpu

a c 109 à CPUs
July 25, 2012 11:55:50 AM

What fan is it, i think the stock fan is 70-80mm.
a b à CPUs
July 25, 2012 11:56:44 AM

Can you provide us with the model name?

Sounds like it's better than the stock fan, I would write down the temps at idle and load, replace it and see if the aftermarket one is better in terms of cooling performance and noise.
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July 25, 2012 12:24:33 PM

It's the Akasa lo-noise cooler AK-860SF.

It was fairly cheap, but if it doesn't work, then i can just get a refund, so that's why im reluctant to take temp. recordings.
a c 114 à CPUs
July 25, 2012 12:35:48 PM


If your current HSF is constantly running 6k rpm there most likely are underlying issues going on there. Have you adjusted your smart fan settings?


July 25, 2012 12:41:28 PM

Wisecracker said:
If your current HSF is constantly running 6k rpm there most likely are underlying issues going on there. Have you adjusted your smart fan settings?


It was at 6000 at load, and didnt go back down during idle.
I had to open the case and underclock the multiplier to 14.5x to make it stay at 2000rpm at idle.

I also have no clue how to change the settings on speed fan.
a c 114 à CPUs
July 25, 2012 1:19:49 PM


Check out the BIOS section of your motherboard manual --- look for *Smart Fan* set-up ...

July 25, 2012 3:03:04 PM

Ah thanks, what would be a suitable temp for my Core to sit at?

It's on 4000 RPM atm with 45C on Core.
a c 114 à CPUs
July 25, 2012 5:48:11 PM


It's actually more of your personal preference, and how you have set up your chip.

It's the CPU VCore (and the NB volts) that ultimately drive your core temperatures. 45c may still be a tad above normal -- but not if your pushing 1.4v, right?

For something in the 1.375v-range, it could be lower-40s or even 30s, rising to the lower- to mid-50s under load. Max is 62c.

Did that make sense?

LOL

July 25, 2012 9:52:07 PM

Well my Vcore 1 is at 1.17 and my Vcore 2 is at 1.9.

Maybe i need to reapply the thermal paste :( 
a c 114 à CPUs
July 25, 2012 11:33:51 PM


Nahhh ...

Not sure why this image will not post ...

Download HWMonitor and observe your readings at idle and load. Grab CPUz while you are there, just 'cause.


July 26, 2012 11:58:51 AM

Ah, the CPU VCORE is at min 1.17 (also the current value) and max of 1.54
a c 114 à CPUs
July 27, 2012 2:12:25 AM



ahhhhh, HA! [:lutfij:4]

At 1.38v or so, you should hit 3.8 to 4GHz with a C3 stepping, and not really zoom too far past the low-50s at load.


!