Quote:
Originally Posted by masonic
yes that is the point, and if I do that, then exactly how is the motherboard supposed to detect the fan - What kind of molex adaptor do you mean there are many many available! The whole point of the original post being: If I make an adaptor can I run the fan on 5v AND also put the white wire (the tachometer sensor) back onto the system board so that it will detect the fan otherwise I keep having to press F1 and there are no settings concerned with fan detection in the BIOS or even any display of fan speeds or temperatures!
My point being does anyone know of a hardware fix to this - I need an answer from someone that knows about the voltage and what will happen if I switch to 5v and the white wire goes back on to the board
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the fan out put is 12 volts from the mobo. The sensor is what you need pluged into the mobo so it know's a fan is there. Usually the wire is white or yellow. If you run the 5 volts from the rail the fan will be slower and quiter.
The mobo puts 12 volts out. so how are you gonna worrie bout 5 volts that you wont plug into the board again? Take the power from a 5 volt rail (the power suplly may have a config) splice into that. solder it for a good connection. lil black tape around the soldier. Use the unspliced plug with the yellow or white wire and plug it into the mother board. the sensor wire will tell the mobo the fans is spinning and the warning may go away. Unless the fan speed is too low you may also get a warning any way.
The sensor wire doesn't carry the fans current. It's just a sensor.