Question about HP Compaq ProLiant DL580 G3 (364636HP1) Server

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Fan speed is there any way you can set the fans to run at one fixed speed?

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Re: fan speed

It's possible but not useable so I suggest you don't do any activity about this.

Posted on Sep 26, 2007

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Re: fan speed

The fans keep the GPU's and CPU's at an "optimal temperature" that is why they start loud on "over RPM" and then quieten down and speed up again during heavy traffic or similar tasks. its possible just cut the ground wire to the fans. but i deeply deeply suggest you dont! ;) people like myself have desined the systems to operate with maximum GPU life and at an optimal count. good luck.

Posted on Sep 25, 2007

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1 Answer

Cooling fan speed

It's not likely that you can adjust the fan speed directly. You might have to use the various power profiles in the BIOS - if this model even implemented them.

The fans are controlled by either sensors on the board or a Baseboard Management Controller - if installed.

It's not really something that you can control. They will ramp up under load and increasing temperatures. That's what they're designed to do.

If it's too loud then this is not for you.

Jan 17, 2014 | HP ProLiant ML150 G5 Server

1 Answer

Fan speeds don't drop and are constantly on full power.

Hello here is the homepage:

I had this problem on another pc, it helped by cleaning the whole pc out for dust, with compressed air.
And renewing the thermal paste, between the cpu and the cooling element.

Actual control of speed is base entirely on measured temperature at some appropriate point, and a setpoint. Whether 3-pin or 4-pin, the basic control strategy is the same. For the CPU, the temp sensor is built into the CPU chip. For the case or SYS_FAN or CHA_FAN, the temp sensor is built into the mobo at some point. In each fan control loop, the measured temp from its sensor is compared to a setpoint and used to slow down or speed up that fan.
HOW the speed of the fan is changed is what differs. On a 3-pin system, the mobo reduces the +12 VDC line voltage to slow the fan down. On a 4-pin system, that +12 VDC line is kept at that voltage always, but the special PWM signal is used inside the motor casing to control how much of the time that voltage is actually turned on to the motor. The chip using this signal is a simple on /off switch, turning on the feed of 12 VDC to the motor and turning it off again, very rapidly at the frequency of the PWM signal. That signal looks like a "square wave", except that is "% ON" is varied (not constantly 50%) to control fan speed.

Try also to upgrade the bios, and look for the settings for the fan.
Make sure the fans are connected right, to the mainboard.

Good luck

Jan 28, 2013 | Dell PowerEdge SC1435 Server

1 Answer

Hi, how to switch off HP Proliant DL320 G2 server fans? In Normal fans speed and noise

The fans are essential to the cooling of the processors and everything else in there, if they are running fast then usually that means your processor is overworked. I'd go for a fresh operating system if you can.
The fans should come on really fast when its first turned on, then slow down after a few minutes.

Oct 29, 2010 | HP ProLiant DL320 G2 Server

1 Answer

I have a gateway 9510 server running windows 2003. The system alert light is orange, and the two tops fans are blowing wide open making it very, very loud. It will boot up properly, I just want to make...


Solution for your problem is remove the fan and clean the dust accumalated on the wings, this would solve your problem. Even then if your problem is not solved do replace the fan with new one.


Oct 11, 2010 | Gateway Computer Servers

1 Answer

All fans on power spin up high and do not slow down


You will need to go into the system BIOS settings to have the system monitor the fans. When the system monitors the fans speed, it will dectate when to spin high and low.

Good Luck

Feb 25, 2010 | IBM X236 Server

1 Answer

FANs running at full speed system locks up

Fans running at full speed means, the redundant fans start working. That means you have a problem with the cooling system. Check your air-conditioner at your data center.

Feb 19, 2010 | HP ProLiant DL580 G5 Base - Quad-Core Xeon...

1 Answer

Temperature condition are good, but all fans are at higest speed. could you help me, the machine is under my table!!! if I've to install some software , the let me know where to find it. Thanks in advance

Not all fans are automatically reduce speeds on good temperature. You could try enabling Q-Fan option in your BIOS to reduce your CPU fan automatically, but for other fans you must purchase fans with speed control.

Oct 28, 2009 | HP Compaq ProLiant ML370 G3 Server

1 Answer

Fan problems: We have Xseries 236 . When running with windows 2003 server the fans are running on high speed. The ambient temperature is about 25 degrees celcius (70 degrees Fahrenheit). The LEDs on the...

Since more then one fan is going crazy after 5 minutes, try these things first:

Make sure the server has enough space where air can ventilate properly. Also make sure there is no dust or dirt sitting on top of the fans cause lack of air ventilation can make the fans start acting up. Also make sure the room is staying nice and cool so that way cool air is being ventilated thru the server.

If you have done these things and your server is still acting up then your motherboard is starting to go bad cause that means the motherboard is having trouble regulating the voltages going thru it and thats why the fans are running really crazy the way they do.

If its just one fan I would say replace the one fan but since both are acting up, I doubt that both fans would go bad at the same time.

Aug 11, 2009 | IBM eServer xSeries 236

2 Answers

The server is very loud all 3 fans come up at full speed

lets check DSA log from your server (use DSA Bootable Edition and post resulted file *.xml.gz).

Also check the next doc:

Improper installation of fan cage may cause fan errors - System x

Jun 20, 2009 | IBM x3400 Server

2 Answers

Tower computer

that could only be your cooling fan. initial speed at maximum then turns to lower speeds when system has done POST.

Apr 11, 2008 | Computer Servers

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