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| RBS10000 |
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Joined: Mon Sep 18, 2006 5:17 am Posts: 11777 Location: Mt. Cobb, PA USA
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Get yourself the HD fan connector off a broken mobo. Most Thinkpads all use the same connector. Hook it up to a 5V power supply and test all you like. Put a potentiometer in the + wire to be able to vary speed. Looking at the plug, the red wire = +5V, black or blue (middle wire) = GND, orange (or other color) is RPM control You only need +5 and GND for testing.
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