Question about Abit RX600PRO-GURU RADEON X600 PRO GURU, (256 MB) Graphic Card
I have replaced cooling fan on graphics card with a new fan.
I don't see any improvement.
Is it because of a power cables on new fan are directly connected on power supply instead of connecing them on graphics card fan cable connector?
It is a same 3pin connector but it differs in its size.
Graphics card core engine still show 0 rpm. The graphics card may not recognize a fan probably and that's why te computer sysem slow down.
Well, since you connected your fan directly to the power supply, you are not getting any feedback thru the graphics card interface. This doesn't mean there is a problem since your fan is running full speed all the time, it is actually better and you should be able to see a difference on the GPU temperature.
If the GPU temperature is still too high and the fan is running at full speed, did you apply a thin coat of thermal paste on the heatsink? if not, there is your problem.
Now just to be clear did you connect the fan to the power supply or to a spare motherboard connector. If you connected to your motherboard, you need to go in the BIOS and change some settings regarding the fan speed (let me know if this is the case and I'll help you further about that.)
Posted on Feb 21, 2008
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Posted on Jan 02, 2017
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The cooling fan clutch actuator valve controls the fluid flow from the reservoir into the working chamber. Once viscous fluid is in the working chamber, shearing of the fluid results in fan rotation.
The cooling fan clutch actuator valve is activated with a pulse width modulated (PWM) output signal from the powertrain control module (PCM). By opening and closing the fluid port valve, the PCM can control the cooling fan clutch speed. The cooling fan clutch speed is measured by a Hall-effect sensor and is monitored by the PCM during closed loop operation.
The PCM optimizes fan speed based on engine coolant temperature (ECT), engine oil temperature (EOT), transmission fluid temperature (TFT), intake air temperature (IAT), or air conditioning requirements. When an increased demand for fan speed is requested for vehicle cooling, the PCM monitors the fan speed through the Hall-effect sensor. If a fan speed increase is required, the PCM outputs the PWM signal to the fluid port, providing the required fan speed increase.
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