How do I connect a standard CPU cooling fan to a Dell MoBo CPU connector?

BrianCorrigan

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May 9, 2012
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I am fitting a dell optiflex mobo into a stock ATX case, The Dell fan set up uses a special connector that does not accept the standard Intel CPU cooling fan connection. The Intel LGA1155 fan has 4 wires (black, yellow, blue, green) , the Dell CPU connector has white, Black, red, white. It is easy to switch the connectors from the Dell fan to the Intel fan, but I do not know the configuration (what are the power connectors, and what are the ones used to monitor speed and adjust fan voltage as controlled by the MoBo? Can anyone assist? Many thanks to all who respond, Brian Corrigan