Please tell me the easiest way to reduce the CPU fan speed!

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easiest way is to get a fan controller.

other way to put a pencil in your fan and that will reduce the fan speed if not stop it .

but yeah give us a bit more information. why would you want to reduce fan speed? the fan goes at a certain speed for a reason.
 
Check your BIOS for any cpu fan speed options. P4's typically have the fan spinning as fast as it needs to to keep the chip cool but it depends on the motherboard.
 
Cut the black wire from the fan (Ground) and solder it to
any of the red wire (+5v) you see going to drives or motherboard.
This will let the fan run on 7v instead of 12v and much quieter.
 
If it is a intel supplied fan, there has to be a black wire. Yellow would be
12v and green would be speed sense. I wonder how the fan is running w/o the ground wire.
 
easiest way is to get a fan controller.

other way to put a pencil in your fan and that will reduce the fan speed if not stop it .

but yeah give us a bit more information. why would you want to reduce fan speed? the fan goes at a certain speed for a reason.
Click to expand...


Ahhhh, ya beat me too it. I was gonna suggest clipping the wires though
 
easiest way is to get a fan controller.

other way to put a pencil in your fan and that will reduce the fan speed if not stop it .

but yeah give us a bit more information. why would you want to reduce fan speed? the fan goes at a certain speed for a reason.
Click to expand...


Ahhhh, ya beat me too it. I was gonna suggest clipping the wires though

Just unplug the sukka!
 
Uhm it's a shuttle, small form factor? I'm pretty sure if you unplugged it the whole case would overheat. The CPU fan is the only fan in there! (maybe GPU)
 
Uhm it's a shuttle, small form factor? I'm pretty sure if you unplugged it the whole case would overheat. The CPU fan is the only fan in there! (maybe GPU)
Click to expand...

It was a joke. See the thread title. cutting wires isn't the easiest because it requires a tool. Putting in a fan speed controller requires a purchase, etc.
 
The most simple solution i've found and use sucessfully, is a simple cable you put in between the board and the fan(works on videocards as well as cpu's) that reduces the voltage by itself, without cutting anything.

But start off with a silent slow spinning cooler to begin with get a good quality one.
NRC-1000 Noise/speed reduction cable

or
Nexus Prolong
which can handle 3 cables at once and slows it even down further.

I also use a zalman fanmate in combination.


I've created my pc to be as silent as possible without any modding at all(most parts are from Nexus as well), and it has to be dead silent to be able to hear anything, most of my fans ran at the lowest possible rpm without giving off alarms all the time and still keep my stuff cool even now at 38 celcius outside :)
(costs more though if you don't want to do it yourself).
 
Try Speedfan; it’s a free software program that works with many motherboards and allows you to control fan speed(s) dynamically based on temperature. If your motherboard supports it, then it’s better than buying a hardware solution because of the dynamic control. It gives you much more control than typical BIOS fan control settings which are quite primitive.

One hardware solution is a Zalman FanMate, which allows you to set the voltage to a fan in the range roughly of 12 – 7 V.
 
I have a CPU fan, GPU fan and the PSU fan. All of those are quiet exept for the CPU one.
Speedfan is very hard to use for me. I did everything it said in the instructions, but i phail.
 
Forgive me for being serious for a moment, but I thought I'd share this.

I think your options are limited with a Northwood Pentium, but I have my fan set to adjust speed based on cpu temp, and I have my Opteron set to drop it's voltage to 1.1 volts, and drops the multiplier to 4x (from 9x) when idle.

At idle speeds, with reasonably cool room temps, the cpu fan shuts off occasionally, then comes on for a few spins and goes off again.

Btw, I use this box as a DVR, and it stays at 1.1v/4x and idle temps while recording, and when I use it to play games it restores the voltage and overclocks.
 
Forgive me for being serious for a moment, but I thought I'd share this.

I think your options are limited with a Northwood Pentium, but I have my fan set to adjust speed based on cpu temp, and I have my Opteron set to drop it's voltage to 1.1 volts, and drops the multiplier to 4x (from 9x) when idle.

At idle speeds, with reasonably cool room temps, the cpu fan shuts off occasionally, then comes on for a few spins and goes off again.

Btw, I use this box as a DVR, and it stays at 1.1v/4x and idle temps while recording, and when I use it to play games it restores the voltage and overclocks.
Click to expand...

So in other words, you use C&Q? It's all automatic...... :?
 
easiest way is to get a fan controller.

other way to put a pencil in your fan and that will reduce the fan speed if not stop it .

but yeah give us a bit more information. why would you want to reduce fan speed? the fan goes at a certain speed for a reason.
Click to expand...


Ahhhh, ya beat me too it. I was gonna suggest clipping the wires though

Just unplug the sukka!

haha, personally id just buy a new fan if thatfan is bothering you that much. be sure to buy a fan not over 30db's if you do you will hear the noise, hence the noise you hear with that stock fan you got ( i would hope thats a stock fan)
 
i use shuttle computers, if you go to the bios, under 1 of the options, hardware monitor i think, You can set the fan speed to Ultra Quiet, quiet, medium, full.
If you are using the stock shuttle cooling system, with the shuttle fan plugged into the mobo that is.
No need to buy anything else, cut wires or install software.
 
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