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Can I use a 2-pin fan on a 3-pin connector?
Posted on 2004-10-17
I have an hp pavillion 724a with a faulty system cooling fan (ducted onto the cpu) which has 3-wires (pos, neg & feedback) and i only have one spare 90mm fan which is only 2 leads (pos & neg). Can i modify the 3-pin connector in some way to allow the feedback (yellow wire) to be bypassed?
My initial thought was to install the new fan, connecting it to a standard 12v PSU connector and simply disable the system cooling fan monitor in bios..... however, bios indicates only whether the fan is working and what it's speed is.
It does not allow me to disable it. :-(
I need to get this pc running as quickly as possible.
My initial thought was to install the new fan, connecting it to a standard 12v PSU connector and simply disable the system cooling fan monitor in bios..... however, bios indicates only whether the fan is working and what it's speed is.
It does not allow me to disable it. :-(
I need to get this pc running as quickly as possible.
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>> 2-pin fan on a 3-pin connector? << I have done it before. The only thing to watch for is some newer mobo's might not start if this is the CPU fanheader, and it does not like the sensor not being there.
I don't know of any mod to trick it, as it uses a pulse signal.
Have you looked everywhere in the BIOS for the setting? Maybe in Power Management?
I don't know of any mod to trick it, as it uses a pulse signal.
Have you looked everywhere in the BIOS for the setting? Maybe in Power Management?
yes... checked bios fully. the only mention is in advanced/hardware monitor, and as i said, there is no ability to disable the function.
Uhm, best not to mess around with the cooling for your CPU... cant you get another 3pin fan?
Cheers
Cof
Cheers
Cof
Active today
>> no ability to disable the function << I hate when they do that. : (
So, did you try it yet, to see if it will bootup? : )
Either way, you do need to get the correct fan as soon as you can.
So, did you try it yet, to see if it will bootup? : )
Either way, you do need to get the correct fan as soon as you can.
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