A quick guide for replacing Naomi 1/2 motherboard case fans. You'll need a Gelid Silent 6 60mm x 15mm fan, a soldering iron, wire strippers / cutters and some tape or heat shrink sleeving.
First desolder or cut the wires from the original fan as you'll want to reuse the original cable.
The new fan is almost perfect apart from the cable that has all black wires, this means you have to be careful to wire it up correctly.
The top wire is ground, the second middle wire is 12v and the bottom wire is sense that can be ignored. Cut ground first and leave about 2 cm of wire from the fan. Solder it to the old cable.
Do the same again for the 12v red wire.
Cover the exposed solder with tape or heat shrink sleeving.
Fit the fan as shown so it blows hot air out of the case.
Finally put the cable back into the filter board and you're done.
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