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July 11th, 2016, 01:50 AM   #131
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The SMPS is for 12V 5V 3.3V etc
but bios show 1.7V is this done by converter on motherboard if so why it does not get from supply it self?
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July 11th, 2016, 02:14 AM   #132
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1) The current is probably 50amps or more, you would need either thicker cables or more of them = more cost.
2) The voltage drop would be a problem. You could get around this using voltage sense wires = more cost. The PSU would also need to be more powerful to account for the power loss = more cost.
3) Not all CPUs use the same voltage, you can even change it in the BIOS (Don't!). Adding this functionality to the PSU would be a pain and more cost.
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