[VIA] [K7t266 pro2] cpu fan at 0 rpm

Hello,
I've connected my new fan 'Thermaltake Silent Boost' to the three-pin connector of the motherboard. The fan spins perfectly, but when I start my computer an alert is displayed informing me that the fan isn't running (but it is).
When I look at the Hardawre Monitor Setup in my bios, I see 'CPU Fan : 0 rpm'. But with MBM5 or FuzzyLogic under Windows, the sensor works.
Have I some value to change in the Bios ?
Motherboard : k7t266 Pro2
Bios : AMI BIOS
Fan : Thermaltake Volcano Silent Boost K7
Thanks

the fan is at ~2400rpm sothat's maybe why my bios don't detect it as osnavi say.
I don't find any place where to disable fan speed monitoring. Any one has an idea ? (the manual is at http://us-download.msi.com.tw/support/mnu_exe/mbd_mnu/E6380LEv2.0.exe)
I'm afraid I should update the BIOS (v3.5 fix the problem) but i've lost a mobo two years ago because of this...

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MSI K7T266 Pro2 cpu fan doesn't start

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No....!! There is nothing bad mounted.
The reason for this post of you PC, is that the cooler isn't running fast enough for the BIOS, so your BIOS just wantst to warn you. The easiest way to get rid of it, is to disable the "CPU Fan Detection" in the BIOS, or connect the fan to another plug. That's all there is to it!
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Very old post yes but I feel the need to reply anyway because I have the same problem myself.
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DualCore Center CPU Fan at 0 rpm randomly ?

Hello everyone.
I recently got a new system with an MSI P965 Platinum motherboard, it's the first time I use MSI, before this I only had Soyo, Asus or Gigabyte motherboards.
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Don't use Dual Core Center and you will not have this kind of problem.
Whenever I use Dual Core center, alarms go off, stuff starts blinking, the system restarts or it freezes, hangs, causes strange error messages or suddenly decides that my system doesn't meet the requirements to run it at all. On very beautiful and sunny days only it seems to work fine....
As long as I stay away from that strange tool everything is fine and stable.
Dual Core Center ist not the best tool ever written and considering the fact that it causes problems on many systems, the best idea is usually to delete it and never touch it again.
What do you need it for anyway?

CPU Fan showing 0 RPM

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Did you try clearing CMOS? >>Clear CMOS Guide<<

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Quote from: Kwea on 12-January-06, 22:29:54
My point was you did what D.O.T. is supposed to do without using it.
Of course it's point is to auto-overclock the system to whichever degree it's set at. The problems come in because a lot of the settings it uses aren't always compatable with a lot hardware combinations. That's why it's best to come up with your own OC settings that are stable with your parts.
It's just like how the Nvidia/ATI speedup option seems like a good idea, but works poorly in practice.
Both are more useful to the marketing dept. in having more "why tech" features available to print on the outside of the retail box than they are to the end user.

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Hi ee36,
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IMac CPU fan speed at full blast.

I have a 20" iMac (A1224) and when you srtat it, the CPU fan goes full blast and never stops.
SMCFanControl reports the CPU fan at 3900 RPMs (full blast) but what is it trying to cool? The temperature is 27 degrees celsius (80° F), Activity Monitor says 93% of my CPU is idle. I've done all the normal SMC/PRAM stuff and it seems that my CPU temps is just fine. Something needs to be replaced.
Sensor
Fan
DC Power Supply/SATA/Inverter cable
Also, yesterday it repeatedly shut down and restarted itself over and over and over until I unplugged it.

I realize that Eric. However, I am currently unable to: https://discussions.apple.com/message/21827955#21827955

Cpu fan speed too hight

hello everyone!
using this command to check the RPM of my cpu fan, i have this result:
[marco@ArchLi ~]$ sensors
atk0110-acpi-0
Adapter: ACPI interface
Vcore Voltage: +1.30 V (min = +0.85 V, max = +1.60 V)
+3.3 Voltage: +3.31 V (min = +2.97 V, max = +3.63 V)
+5 Voltage: +5.14 V (min = +4.50 V, max = +5.50 V)
+12 Voltage: +12.36 V (min = +10.20 V, max = +13.80 V)
CPU FAN Speed: 270000 RPM (min = 0 RPM, max = 7200 RPM)
CHASSIS1 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
CHASSIS2 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
POWER1 FAN Speed: 1442 RPM (min = 800 RPM, max = 7200 RPM)
POWER2 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
CPU Temperature: +46.0 C (high = +60.0 C, crit = +95.0 C)
MB Temperature: +38.0 C (high = +45.0 C, crit = +95.0 C)
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +61.0 C (high = +78.0 C, crit = +100.0 C)
Core 1: +59.0 C (high = +78.0 C, crit = +100.0 C)
why my cpu fan have 27000 RPM? O_O
CPU FAN Speed: 270000 RPM (min = 0 RPM, max = 7200 RPM)
thank you!!!

with a bit of delay here is the result of the commands :
[marco@ArchLi ~]$ sensors
atk0110-acpi-0
Adapter: ACPI interface
Vcore Voltage: +1.30 V (min = +0.85 V, max = +1.60 V)
+3.3 Voltage: +3.31 V (min = +2.97 V, max = +3.63 V)
+5 Voltage: +5.14 V (min = +4.50 V, max = +5.50 V)
+12 Voltage: +12.36 V (min = +10.20 V, max = +13.80 V)
CPU FAN Speed: 112500 RPM (min = 0 RPM, max = 7200 RPM)
CHASSIS1 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
CHASSIS2 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
POWER1 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
POWER2 FAN Speed: 0 RPM (min = 800 RPM, max = 7200 RPM)
CPU Temperature: +43.0 C (high = +60.0 C, crit = +95.0 C)
MB Temperature: +35.0 C (high = +45.0 C, crit = +95.0 C)
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +59.0 C (high = +78.0 C, crit = +100.0 C)
Core 1: +57.0 C (high = +78.0 C, crit = +100.0 C)
[marco@ArchLi ~]$ cat /sys/class/thermal/thermal_zone*/temp
cat: /sys/class/thermal/thermal_zone*/temp: No such file or directory
[marco@ArchLi ~]$ ls /sys/class/thermal/
cooling_device0 cooling_device1
last command didn't show nothing:
[marco@ArchLi ~]$ journalctl -n 3000 |grep -i LNXTHERM -A 30
Thank to all!!!

Sorry, BIOS is Rev 1.0, CPU fan RPM still wont show, on Promise SATA and I have no activity led??

Yes, everything is properly connected, CPU fan is on CFAN1 and the HDD is on the Promise and the front panel led connector is properly connected.
Anyone know what the heck is wrong?? maybe my board has LED on VIA and not Promise opposed to Promise having it and VIA not??
and why won't my bios display the damn CFAN1 RPM's??? I tried every connector also.
any help?
thank you

Ok, this is weird, the HDD led connector was connected as directed in the manual, black (ground) on pin 1 and red (+12) on pin 3, whats weird is that I flipped it upside down (red on pin 1 and black on pin 3) and now it works, that just weird but at least it works now. every other connector works when connected normally, funny that I have to flip the HDD led connector upside down haha.
Anyway, still can't figure out the CPU Fan RPM, why it displays 0 while the Fan is actually running?? I don't know why.
Have you heard of that problem??
Thanks again guys.
Frank

How can i get the max rpm from cpu fan??

how can i get the max rpm from my cpu cooler regarding that i don't have a speed controller attached to the cpu fan ,,, ?? please make things clear for me
thanks

if you have not reduced it by using a speed controller either hardware or software or by the 7v mod its already going as fast as it will at 12 v dc you cannot speed it up only slow it down
need more air get a different cooler/fan

My cpu stays on 3600 rpm. Therefore my fan are on 4800 rpm. Did a smc reset and al the other reset. Help me please. Apple cant help. I even clean the fan.

My cpu stays on 3600 rpm. Therefore my fan's run at 4800 rpm. Did a smc reset and al the other reset. Help me please. Apple cant help. I even clean the fan.
I have tried everything you can find on the net. From unplug the cable cord to cleaning fans. Smc reset en pram reset. Eeven more. Its a Intel imac 24 inch 2009. Help

Hooray, I think I found a solution.
Using terminal commands there actually is a way to force smcFanControl to set a tolerable max rpm for the CPU fan.
WARNING:
Be aware that this solution should only be used if you know what you're doing and you are absolutely sure the CPU fan on your iMac is indeed out of control.
Forcing a low max speed on a healthy CPU Fan with fully functioning sensors can seriously damage your Mac. You have been warned.
The solution:
Install smcFanControl
Go to the terminal and use these commands to regain control of your noisy iMac:
/Applications/smcFanControl.app/Contents/Resources/smc -k F2Mx -w 12c0
This will set the CPU Fan to max at 1200 rpm: (Oh yes!)
To revert to standard settings use:
/Applications/smcFanControl.app/Contents/Resources/smc -k F2Mx -w 3cf0
This will set CPU Fan to max at the default 3900 rpms
You might have noticed that the last 4 digits are the fan speed (in hexidecimal)
Other fan speeds you can try:
1100rpm = 1130
1500rpm = 1770
3900rpm = 3cf0
Now all I need is a way to make the setting permanent. Anyone know how to run the above terminal command automatically on bootup?

What size CPU on a K7T266 Pro2 mobo

Hi all,
Just a quick question does anyone know what is the biggest cpu that can be placed onto a K7T266 Pro2 mobo?
Thnx

Read this guide for the modifaction needed to use the T-Bred core on certain models.
If your board needs the mod first, do that before trying to install the new CPU.
If your board does not need it, just install the CPU.
The highest CPU that can be used is the 2600+ with 266FSB, but they are very rare. Most 2600's have 333FSB, and will not work correctly. The 2400+ is very easy to find, and will certainly work, as every CPU from 2400 down that has the XP in the name, is a 266FSB cpu.

[VIA] [K7t266 pro2] cpu fan at 0 rpm

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