CPU Fan Control H61M-P21 (B3) Motherboard

I have assembled the following system recently:
H61M-P21 (B3) Motherboard
Sandy Bridge Core i3 2120 (Retail box w/cooler)
2 x 2 GB Crucial Desktop memory
SAPPHIRE Radeon HD 6750 1GB
OCZ Vertex 2 60 GB
Generic Case
Windows 7 Pro
I have a couple of questions.
1/ I've installed the MSI Control Center and in the green power section I can set the CPU fan to quiet which is really quite necessary since the retail cooler at full speed is really quite noisy. What I find irritating is changes with the MSI Control Center are not persistent.
Is there any way to set the CPU fan to quiet and make the change persistent across reboots, etc...?
2/ The system goes to sleep and wakes up just fine. However - the only way to wake it up from sleep is to press the power button.
Is there a way to allow the system to wake up from sleep using the keyboard?
Any and all advice/recommendations welcome.
Thanks.

So I've been browsing the Application Guide and I came across the following passage, "Every time you shut down the system, the configured setting will be restored to the factory default. If you want to use the saved settings, you have to load it every time by clicking the “Load” button."
So that answers my question - no persistent save support. So I have a new question.
Can I launch the control center from the command line specifying a saved config file? (If yes, obviously I could create a start up item and that would be good enough)

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How to enable cpu fan control and monitor

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OS: win 8,64bit
Thing is i dont know how to enable CPU fan control/regulation ifd possible. Doesn't realy see anything anything in the mobo manual except mentioning AMD Cool’n’Quiet.
This fan i have installed is running fine but i thk it runs full speed all the time and that makes a lot of noise - not needed.
Thx for any advice/tip/hint

40 °C is fine. The minimum fan speed can be set is a % of the full capacity.
Start with 12.5% and if the fan needs to adjusts it's fan speed too often and it get's annoying you can raise it to 25% or more.

Re: p67a gd65 b3 CPU fan control staying at 100% ?

I hate to be reviving this thread, but it's already got evidence of my problem.
Basically, Only 2 out of the 4 PWM controllers on the motherboard (P67a-GD65) allow for fan control. This was fine originally, when I only had two fans in my case, but when I upgraded to a third and plugged it in, it simply ran at 100% speed. Multiple scans in speedfan only found the CPU control and two PWMs. Looking in the BIOS it only saw two as well, even though the third fan was plugged in and running at 100%.
My BIOS version is the one just before the ivy bridge update, so the 'improved system fan control' apparently didn't help.

Quote from: Henry on 28-May-12, 04:09:10
* There are only 2 PWM not 4, CPU fan & sys fan 1. The others are fan speed monitoring only and are not speed controlled.
* Where do you get the idea that there is Ivy update for P67? The latest BIOS is 1.I:
Update CPU Micro Code for Sandy Bridge C2 CPU
The BIOS update page [http://www.msi.com/product/mb/P67A-GD65.html#/?div=BIOS];[Won't let me hyperlink] shows '- Update BIOS for IvyBridge 22nm CPU.' for BIOS v4. I nabbed version 1.19 because I have an i3-2100.
The CPU fan is PWM controlled, but so are two of the SYSfans (I am able to control them through speedfan). I find it extremely hard to believe that the two other ones are for 'monitoring' only. You're telling me that they have 3 pins, two for voltage and one for monitoring, but they can't alter the voltage at all, so you'd have to put a controller between the pins and the fan? That completely erases the purpose of having the power coming from the motherboard. You could just get a fan controller that does the same thing, without having to screw around with the motherboard at all. Plus, speedfan doesn't even notice the PWM coming from either SYSFAN3 or SYSFAN4, if they are used for monitoring.
This is the motherboard you're talking about, right? SYSFAN headers in red, and CPU in green.

Dell Vostro 3560 CPU Fan Control Tips

I'm in the process of configuring my brand new Vostro 3560 and one of the things I noticed was that the CPU fan was blasting full speed all the time even when the machine was idle. After some researching I came up with the following solution using i8kmon and I'll post it here for others:
Disclaimer 1: In this configuration, you will be setting up thresholds on what fan speeds are used at a specific temperature. If you use this config, this assumes that your machine is a) reporting the correct temperature and b) the fan speed setting works for your specs. Always monitor your laptop and change the configuration if your laptop feels too hot.
Disclaimer 2: I've only had this laptop for a couple of days now, so no long-term stress testing has been performed in this configuration.
This is a link that helped me a lot. It's Ubuntu specific, so be aware of the differences: https://answers.launchpad.net/ubuntu/+s … ion/204193.
Please post any thoughts or feel free to correct me where applicable:
Install the following packages:
i8kmon
i8kutils
Create/modify the following config files:
/etc/modules-load.d/i8k.conf
# Load Dell Fan Speed Control (i8k) at boot
i8k
/etc/conf.d/i8kmon. Please note that there are conflicting values reported when you Google this. In my case, the following worked:
# Arguments to be passed to the i8kmon daemon
I8KMON_ARGS="--nouserconfig --daemon"
/etc/rc.conf. Add i8kmon to your DAEMONS:
DAEMONS=(hwclock ... i8kmon ...)
/etc/i8kutils/i8kmon.conf
This is the file where you set the temperature thresholds and fan speeds in the "set config" values. Your specific laptop configuration could be different, so Google around.
Lines changed:
set config(daemon) 1
set config(auto) 1
set config(timeout) 2
set config(0) {{- 0} -1 55 -1 55}
set config(1) {{- 1} 45 60 45 60}
set config(2) {{- 2} 55 125 55 125}
set config(3) {{- 2} 70 128 70 128}
Entire listing:
# Sample i8kmon configuration file (/etc/i8kmon, ~/.i8kmon).
# Kernel I8K status file
set config(proc_i8k) /proc/i8k
# Kernel APM status file
set config(proc_apm) /proc/apm
# Kernel ACPI status file
set config(proc_acpi) /proc/acpi/ac_adapter/0/status
# External program to control the fans
set config(i8kfan) /usr/bin/i8kfan
# Applet geometry, override with --geometry option
set config(geometry) {}
# Run as daemon, override with --daemon option
set config(daemon) 1
# Automatic fan control, override with --auto option
set config(auto) 1
# Report status on stdout, override with --verbose option
set config(verbose) 0
# Status check timeout (seconds), override with --timeout option
set config(timeout) 2
# Temperature display unit (C/F), override with --unit option
set config(unit) C
# Temperature threshold at which the temperature is displayed in red
set config(t_high) 80
# Minimum expected fan speed
set config(min_speed) 1800
# Temperature thresholds: {fan_speeds low_ac high_ac low_batt high_batt}
# These were tested on the I8000. If you have a different Dell laptop model
# you should check the BIOS temperature monitoring and set the appropriate
# thresholds here. In doubt start with low values and gradually rise them
# until the fans are not always on when the cpu is idle.
set config(0) {{- 0} -1 55 -1 55}
set config(1) {{- 1} 45 60 45 60}
set config(2) {{- 2} 55 125 55 125}
set config(3) {{- 2} 70 128 70 128}
edit: changed temperature thresholds - I think the key temps are: 55: turn on fan at level 1 until cooled down to 45. Above 60, start blasting the fan at full speed
Last edited by twelveeighty (2012-09-02 21:35:50)

If you're using systemd, to run i8kmon you should edit i8kmon.service file
/usr/lib/systemd/system/i8kmon.service
from
[Service]
ExecStart=/usr/bin/i8kmon -nd
to
[Service]
ExecStart=/usr/bin/i8kmon --daemon --nouserconfig

P67a gd65 b3 CPU fan control staying at 100% ?

Has anyone been able to get the cpu fan to ramp up and down with temp via bios ? I'm using a Noctua d14 and i5 2500k.

Quote from: TheRealBaloo on 15-March-11, 07:43:53
Hi,
FYI I have the same issue with my Cooler Master 520 on the same board with a 2600k, fan runs at 100% 24/7, was not able to find a solution yet, will let you know if I do.
hey you might try to install the control center and then click on the green power tab and then click on the the pop down tab saying green power again and then near the bottom of the page you will see the only three fans that you can control and the RPM they are currently running at. you need to pull down the minues and you will get three options to choose from 100%-75% or 50% but when you choose what you want them to run at be sure to double click that setting or it will just revert back to the original setting. once you have changed all you want then click apply tab at the very bottom of that page and listen to your fans drop in speed but before you close the page you will need to save that set up so once you verify that what i mentioned worked then click the save tab too and lable it what you want to call it! this should work! but also i use a mega helm rev b and i ended up using sysfan2 and sysfan1 on the mobo for my two fans attached to my cooler just so i could control them both I and hooked up my rear fan on my case to the cpu jack on the mobo! you should have some control of all your other fans threw the click bios, this all worked great for my set up! i have a 2600k and the same mobo and i use ddr3 patriot ram 2000 9-11-9-27.....hope this works for you and answers your questions....have fun!....................................... ........... "warzone"

Cpu fan control problem

I hope maybe somebody here can help me out, I dont know where else to try, please be gentle with me, just a newbie!
I have a Medion 1918 desktop pc purchased in nov. 2004 and I was very happy with it until it quit working about 8 weeks ago. The machine would not post, and subsequently was returned for repair to the manufacturer. Making a short story long, it took almost 8 weeks to get it back in my hands and its just not the same as it was when it left here..
The motherboard was replaced with a ms-7041, and all I can tell you is its a 865pe, but I cant find any info or documentation on the msi site for this model. I do not even know if this is the same board model that it replaced.
The problem is the computer now sounds like a 747 taking off, I mean this thing is so loud now. The fan spins at full speed all the time now, whereas before it would throttle up or down depending on what the cpu was working on, or if it was just idling. I have also noticed I dont have a "pc health status" when I go into the bios, so I cant even tell what the cpu temps are or what the fan speeds are currently running at.
I probably will need to give more info, but I dont know what else you guys might need to know to help me out.
If there is anyone who can help steer me in the right direction to rectifying this noise, I would be greatly appreciative.

Thanks Danny, after much reading in these forums, and other similar questions, I had a feeling you were going to say that.
I realize now its an oem board and theres not much help from msi. But I was hoping somebody might have some ideas why its so loud now and wont vary the rpm anymore like it did. Also, what about the pc health status? Shouldnt there be one on a current cpu/mobo of this speed?
On the downside, so far, its not been too easy of a go with the folks at medions customer care, which is why I was looking for other opinions here.
I just cant run this machine like this. If I had a meter, I would bet the noise is above 80decibels. You cant even turn up the pc speakers loud enough to watch a dvd. Medion tried to tell me they probably changed the fan, cuz its only a three pin connector, and that the variable rpm fans are four pins and that this replacement mobo wouldnt connect to the old fan, but it looks like the same fan got put back on to me, cuz its dirty and got some dust bunnies stuck in there. So I dont know what or who to believe.
A few more questions to add to the pile...
What controls the variable fan speed on these p4's, bios?
Is it unusual that there is no pc health in the bios settings?
Thats all I can think of right now, I must shut this thing down for a couple hours cuz I'm going deaf and cant hear myself think.

MOVED: MSI H61M-P21 (B3) Motherboard - are these beeps normal?

This topic has been moved to Intel Core-iX boards.
https://forum-en.msi.com/index.php?topic=158223.0

I figured out the issue. some MSI boards, apparently, give a beep for each usb device plugged into the computer. Once I removed all usb devices, I was left with 2 beeps and a high pitched beep. I've run across a couple places on the Internet of people who have the same issue (2 beeps and a higher beep). One person left it because everything was working on his computer. He updated the forum about a year later saying everything was still working. Another person RMA'd his CPU and that ended up getting rid of the final 3 beeps. So apparently it's a CPU related issue. I'm just frustrated no one from MSI has verified this information, and confused why they would implement something like that (the usb beep count) when that's usually a sign that BIOS didn't POST correctly. At least I presume it's MSI's doing, I haven't come across any other boards that do this, although to be fair I was looking for MSI specific information to match my mainboard.
Although thank you for the recent publication of AMI beep codes. I was only able to find the very dated one.

[Solved] Asus L1366 mobo, cpu fan speed control

Hi, everyone,
I finally have this new core i7 system, to replace my old AMD athlonx2. I have one question about the CPU fan speed control.
I remember that in my old system, the cpu fan speed control works out of box, no configuration is needed.
But when I install arch 64 on this new i7 system, the cpu fan is running at its maximum speed constantly while the CPU temperature is modestly low. I know there is a wiki teaching how to do it.
However, I am just curious why it doens't work out of box any more? Does CPU fan control work for you guys out of box normally? especially the new Core i7 cpu users?
Please let me know, really appreciated it.
Thanks a lot.
Update: the issue is solved, see my last post, the solution is blacklisting: asus_atk0110, instead use w83667hg.
Cheers.
Last edited by mark.altern (2009-10-01 08:18:18)

First off, it would be useful to know what the sensors-detect script actually reports.
Okay. How fan control works on Linux: First, navigate to /sys/class/hwmon
Each of these folders, i.e. hwmon0, stands for a sensors monitor / fan controller on your mainboard that may control one or several fans. Inside hwmonN, there should be a subfolder called device, which contains several interfaces if your BIOS allows software-side fan control. You can read them with cat and write to them with echo.
Examples:
pwm1_enable shows if OS-level fan control is enabled (1) or disabled and in BIOS control (0). Changing fan speed won't work if this is disabled. (i.e. cat /sys/class/hwmon0/device/pwm1_enable reports 0 -> disabled; you could enable it with echo 1 > /sys/class/hwmon0/device/pwm1_enable).
pwm1 allows to change fan speed. The values range from 0 (fan off) to 255 (full speed, 12V).
fan1_input shows the current RPM if a fan is connected. You can only read from this interface. Its useful to check all of these in the each of the hwmon folders to find out if there is actually a fan connected to the fan controller (they often have more ports than mainboard manufacturers use).
There might be a fan1_div, this is somehow related to how the kernel reads the RPM, I don't know how it works.
temp1_input interfaces can appeare too, if some of the chips have temperature sensors located somewhere. I *think* lm_sensors places the core temperatures it reads from CPU (the coretemp-isa-000X thingies) in one of the hwmon-folders too.
There might be interfaces for different fans in the same hwmon folder, i.e. pwm2_enable, pwm2, fan2_input, etc., all interfaces with the same index belong to the same physical fan connector, and all in the same hwmonN are managed by the same IC on your mainboard.
Warning: These interfaces, if they work, control the fans directly without any kind of security measure. If you shut some essential fan down, it will stay off until you reboot your CPU shuts down.
(If you see something likein0_alarm, in0_input, in0_max, etc. it's a voltage monitoring chip.)
If one of those interfaces can do something, OS-level fan control does work, if none of those folders contain a working pwm interface, fan control seems to be unavailable.
Sometimes there is an option in the BIOS to enable it, and for some BIOSs software-side fan control only works if dynamic fan control is disabled in the BIOS and fan speed is set to a static value - or vice versa.
I don't know what you are using to control fan speed, there are many applications that use these interfaces, i.e. GNOME or KDE power managers, so I'm not sure what is happening:
IF: Windows 7 enables OS-level fan control and sets it the RPM to those you observed and you have nothing that provides fan control in Arch and so fan control stays at BIOS-level, which might also read out a different sensor / the same sensor differently or it might be more conservative in setting fan speeds altogether;
OR: You have something that provides fan control installed in Arch and it reads out a the wrong value supplied by lm_sensors and thus sets a higher fan speed.
Anyway, possible solutions I can think of:
Find out if you have some kind of fan control software and what it does. For example, I use the fancontrol daemon, I can't help you if you use something else.
The wiki mentions how to assign a fan speed to a certain temperature sensors. You might assign it to a different one. For example, there are no sensor chips on the mainboard of my EEE (no temp1 etc.) so I assigned the fan speed to the temperature reported by the BIOS via ACPI (those are in /sys/class/thermal, also no "device" subfolder on EEEs):
FCTEMPS=/sys/class/hwmon/hwmon0/pwm1=/sys/class/thermal/thermal_zone0/temp
You could also change the MINTEMP/MAXTEMP values to one higher than those you actually want to compensate for the effect of lm_sensors reporting temperatures that are too high.
It is currently not possible for a mortal user to change the coretemps lm_sensors reads, see this post, last paragraph.
There is a configuration file, /etc/sensors3.conf, you can change sensor names and adjust offsets here, but only for the monitoring chips and their sensors that are on the mainboard.
Last edited by Malstrond (2009-08-19 19:34:22)

Problem with PM8PM-IL and the CPU fan

Hello everybody i am spanish my apologies for my english xD
I have a motherboard MSI PM8PM-IL (MS-7222), official intel fan with four connectors,the fan support PWM but the motherboard doesnt control the rpm of the fan and I have 3668 rpm 53 °C (127 °F)
From the manual "you must use a specially designed fan with speed sensor to take advantage of the CPU fan control."
In the bios i don't see that option "H/W Monitor This entry shows the status of your CPU, fan, warning for overall system status."
"CPU Smart Fan Temperature"
the manual have photos of this menus but when i enter in the bios i don't see anything of that
msi.com/product/mb/PM8PM-IL--L.html

You appear to have some Beta test version of the 1.2 BIOS.
Try flashing to the last version 1.3:
http://eu.msi.com/product/mb/PM8PM-IL--L.html#/?div=BIOS
>>Use the MSI HQ Forum USB flasher<<
However, its possible that your board simply doesn't support this feature, and the manual is incorrect.

H61M-P21 B3 Constant Beeping, Won't POST

So basically when I start my computer, I get a constant error beeping going, with a couple short beeps at the very start, and then back to just the constant beeping. I can see a little flashing underscore on the top left of my screen, and it switches between the numbers 98 and 99 on the bottom right. After about 20 seconds, I get even more beeps thrown into the already constant beeping for a second, and then they stop and it goes back to continuous beeping. I then also get 92, A2, A3, and A4 errors on the bottom right. It doesn't POST. It will just sit there constantly beeping with a A3 at the bottom right.
I should also add that the power is always on whenever power is plugged in. Not sure why this is happening either. The only way to shut the motherboard all the way off is to unplug the power cord or turn off the PSU.
My specs are as follows:
Core i3 2120 CPU
MSI H61M-P21 B3 Motherboard
G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM
Diamond HD Radeon 6770 1GB GPU
Seagate 250 GB SATA 7200 RPM HD
ASUS SATA DVD-RW Drive
Thermaltake Purepower 2.0 600 Watt PSU
I previously had a ASRock board that wouldn't detect my video card, or any others I had here to try, so I bought this one. With the ASRock board, I could boot to Windows just fine with onboard video, so I think everything is working fine.
Things I have tried:
Resetting CMOS
Trying each stick of RAM separately
Using onboard GPU (same exact errors)
Trying different monitors
I'm out of ideas, and I'm not even sure if I can take the board back. Any help is greatly appreciated!

It has completed POST when you get to the A3 code. AA is the one that is shown once in the OS. Those aren't errors, just the normal progression codes thru the POST process.
A3 it's now looking for the OS. You can't migrate the OS from another system & expect it to work in the new one. Also, did you install the OS in AHCI? Then you must have the SATA controller set to AHCI & not in IDE mode.
Added: What keyboard & mouse are used? F-Lock on the keyboard enabled? How many USB devices or add-in cards are being used?

MSI H61M-P21 (B3) - Won't start, how can I update the BIOS?

Hello Everyone!
I just bought an MSI H61M-P21 (B3) Motherboard along with Intel Celeron G530 Sandy Bridge (2.4 GHz) and 1 DIMM of 4GB DDR3 1600 KingMax. I use NJOY 500W true power as power supply. The system starts but no image, no beep code, nothing... Testet with another DIMM of RAM (4GB DDR3 1333 KingMax), but no luck. Tested with another power supply (450w true power), no luck again. I have tested the motherboard out of case, put on an antistatic surface, no luck... Reset CMOS, same situation: no image, no beepcodes... On the Main BIOS Chip of the motherboard is a little sticker on which is written "E7680IMSH30" - i guess that the motherboard comes 'shipped' with 7680vH3 BIOS.
Is there a possibility to update the bios without replacing the CPU or send the board to RMA? I'm almost sure that the problem is around here...
Thanks in advance! Any answer is welcome!
P.S.: I appologise for my bad english.

Good morning.
I've tested the motherboard this weekend with another DIMM of 4GB DDR3 1333, ThermalTake PSU (500W, i don't remember the model) and Core i3-2120 CPU - those components were taken from another IDENTICAL motherboard H61M-P21 (B3) with same version of BIOS. Didn't worked... I have tested my Celeron CPU G530 on the functional H61M-P21 (B3) and it's working...
So, there is a problem with my mainboard, i will send it to warranty.
Thanks a lot. Have a nice day!

Fan control problem on Z77A-G45 Gaming

Hi,
I've got this problem: I have Z77A-G45 gaming mobo and thermaltake water cooler (water 2.0 performer) on cpu and, by default this motherboard makes this cooler work with full 2000 rpm, but if I open the msi utility program "Control center" and go in "Green power" tab and use "CPU fan control" it makes cooler to run normally with 850 rpm. But problem is, when I turn off or restart PC, it starts again with 2000rpm and I need to open that "Control center" again and click check "Cpu fan control" to make cooler work normally. So what is solution to this problem? How to make it remember "cpu fan control" option marked? I don't want to start this application manually everytime I boot my computer.

Try entering bios and enable cpu smartfan and save on exit.

K8N Neo-FSR CPU fan at full throttle after wake up from S3 (Suspend to RAM)

Hi,
using either Core Center or BIOS' smart cpu fan control my cpu fan throttles down to less than 2000 RPM without system load. Fine! But after wake up from S3 (Suspend to RAM) power down the cpu fan runs forever at full throttle with about >5000 RPM, making lots of noise. So far I didn't succeed neither with BIOS settings nor using Core Center to gain fan control after S3 wake up. Since Core Center apparently shows up the cpu temperature correctly with less than 40 degrees Celsius this may be a BIOS 1.4 bug.
Can someone please point me into the right direction? Yep, I did read the FAQ and already use board's search function :-)
Falo

addendum
did some further testing. Apparently this doesn't happen if I wait at least a couple of minutes between shutdown to S3 and wake up. In this case fan control works as expected afterwards.
Falo

MEGA 865 fan control problems after suspend/hibernate.

I'm seeing the CPU fan control problems, and it's REALLY ANNOYING, as it means I have to leave the machine on all the time. Specifically, after suspending or hibernating the machine, on wakeup the CPU fan goes to full speed and STAYS THERE until I reboot.
This is on a CLEAN INSTALL of Windows XP.
Is there going to be a fix for this from MSI soon? Because it's really ruining the experience of using the MEGA.

Hi guys,
I have builded a Mega 651 attaching a Celeron 2.4 Ghz.
I installed the cooler but I got really scared when I realised that the fan run for 2 secs and then stopped.
Is this normal?
If yes then i am assuming that the voltage of the fan is controlled by a thermal sensor, meaning that the fan goes on when the temperature reaches a certain limit.
Can the threshold temperature be controlled from bios so I can set it to minimum possible?
thanks in advance

785GTM-E45 mobo: Q'n'C is enabled but CPU fan doesn't slow down

Q'n'C is on, CPU clock is down when idle but CPU fan rotates on full and makes noise. Bios fan settings cannot do anything to slowdown the fan.
Tried two coolers with same result. All coolers were with 3pin connectors while there is 4-pin jack on mobo. Bios has been updated - no result.
Any ideas?
Thank you

"Fan Power Connectors: CPUFAN1, SYSFAN1
The fan power connectors support system cooling fan with +12V. When connecting the
wire to the connectors, always note that the red wire is the positive and should be connected
to the +12V; the black wire is Ground and should be connected to GND. If the
mainboard has a System Hardware Monitor chipset on-board, you must use a specially
designed fan with speed sensor to take advantage of the CPU fan control.
Please refer to the recommended CPU fans at processor’s official website or consult
the vendors for proper CPU cooling fan.
CPUFAN1 supports fan control. You can install Dual Core Center utility that will automatically
control the CPU fan speed according to the actual CPU temperature.
Fan cooler set with 3 or 4 pins power connector are both available for CPUFAN1.
SYSFAN1 support fan control, too. You may select how percentage of speed for the
SYSFAN1 in BIOS." P2-12
"CPU Smart FAN Target
The mainboard provides the Smart Fan function which can control the CPU fan speed
automatically depending on the current temperature to keep it with in a specific range.
You can enable a fan target value here. If the current CPU fan temperature reaches to
the target value, the smart fan function will be activated. It provides several sections to
speed up for cooling down automatically.
PC Health Status
CPU/ System Temperature, CPU FAN/ SYS FAN 1 Speed, CPU Vcore, 3.3V, 5V,
12V
These items display the current status of all of the monitored hardware devices/components
such as CPU voltage, temperatures and all fans’ speeds." P3-15
Do n o t use other monitoring and fan controlling programs at the same time. There must be something the matter with the fan cable or the processor seating. 3 pins have been enough for fan control since before 2000, and as you notice on the processor fan connection, you can choose between 3 and 4 pin fan connection. Pretty silly to have such a choice if 3 pins wouldn't work.
- Heck, even the photos in the manual displays a three pin '!

CPU Fan Control H61M-P21 (B3) Motherboard

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