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Old 12-07-2008, 08:22 AM   #1
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Default Fan speed low?

I have fan sucking in air at the front of the computer, a 120mm one.. programs always read the fan speed at around 800RPM, which doesn't seem very much to me .. I'd like to make it go faster, but it seems to be the fastest it'll go... I think it has a temp sensor on it too, not sure though.

Surely the fan can go faster than this .. is there anyway?
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Old 12-07-2008, 08:54 AM   #2
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Default Re: Fan speed low?

Is the fan plugged onto the motherboard or powered from a molex?

If it's plugged into the motherboard then tell me the markings near the connector.
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Old 12-07-2008, 09:14 AM   #3
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Default Re: Fan speed low?

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Originally Posted by Remeniz View Post
Is the fan plugged onto the motherboard or powered from a molex?

If it's plugged into the motherboard then tell me the markings near the connector.
The connector on the motherboard just has on the side:

CHA_FAN2
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Old 12-07-2008, 12:09 PM   #4
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Default Re: Fan speed low?

The fan may be being controlled by the Q-Fan Control in the BIOS. To see, enter the BIOS at boot and go to the Power section. Select Hardware Monitor. You can then enable Chassis Q-Fan Control to set the fan speed or disable it to let the fan run at full speed.

It's in the manual at page 3-33.
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Old 12-07-2008, 12:23 PM   #5
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Default Re: Fan speed low?

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Originally Posted by Atomic Rooster View Post
The fan may be being controlled by the Q-Fan Control in the BIOS. To see, enter the BIOS at boot and go to the Power section. Select Hardware Monitor. You can then enable Chassis Q-Fan Control to set the fan speed or disable it to let the fan run at full speed.

It's in the manual at page 3-33.
Thanks good suggestion Atomic, but it is disabled ...
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Old 12-07-2008, 01:07 PM   #6
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Default Re: Fan speed low?

Well, either the fan has a thermal control, it's dying, or it needs a good cleaning and a drop of oil in the motor.
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Old 12-07-2008, 01:46 PM   #7
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Default Re: Fan speed low?

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Originally Posted by Atomic Rooster View Post
Well, either the fan has a thermal control, it's dying, or it needs a good cleaning and a drop of oil in the motor.
It's a relatively new fan ... although it does have a power connector on it .. maybe that'll bump it up.
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Old 12-07-2008, 02:20 PM   #8
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Default Re: Fan speed low?

Yea, try just using the molex connector to see if that will speed it up.

What fan is it?
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Old 12-07-2008, 02:53 PM   #9
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Default Re: Fan speed low?

Quote:
Originally Posted by Atomic Rooster View Post
Yea, try just using the molex connector to see if that will speed it up.

What fan is it?
Akasa one.

It's the only black one on overclockers.co.uk ^^
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Old 12-07-2008, 03:04 PM   #10
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Default Re: Fan speed low?

Yea, that's thermally controlled. Unless you can "override" the controller, your stuck with it running that low. But look on the good side, it's quiet and you know your system is running cool.
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