Niels Tijssen schrijft: "Peltier koelers vreten veel stroom, dit geeft veel problem als je nog een Athlon en een Geforce (2)in je kast wilt hangen. Tweakmax heeft een artikel geschreven hoe je van een afgeragde AT voeding een externe voeding voor je Peltier koeler maakt. ":
Here is a guide on how to modify your AT power supply so you can run those peltiers in your PC without overtaxing your case P/S. We will show you how to clean up unused wires and allowing the P/S to be turned on by the power strip.
AT vs. ATX
Running your peltiers off your case P/S will at the least reduce stability of your overclock because of the extreme power draw that peltiers can produce. When your average P/S has to deal with supplying current to the motherboard, hardware and then also a peltier that draws a lot of current, the P/S can become unstable causing fluctuating voltages throughout your system. You need the most clean and stable voltage you can get going to your motherboard if you are going to get a good stable overclock. Why would you want to mod an AT P/S and not an ATX you say? Well, ATX power supplies are turned on by your motherboard, so if you try to hook up a peltier and turn on the P/S nothing is going to happen. On top of that, ATX P/S's needs a load on the 5V+ line to operate correctly. AT's do not need a signal because they have a switch that is physically flipped to turn them on. They also do not require a load on any of the outputs to function properly.
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