4-pin CPU fan into 3-pin motherboard

Patton

Distinguished
Dec 19, 2007
19
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18,510
My CPU fan has a 4-pin plug to connect to the motherboard, however the motherboard only has 3 pins. Is it possible to connect the fan to the board, and if so, what adapter would I need. Motherboard is an Epox 9U1697 socket 939 and CPU fan is a Freezer 64 Pro.