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Antec TruePower 550 PSU Volt mods ?

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Nov 14, 2003
I have gained a little info on modding this PSU , but would liek to know if anyone "knows their math" ?? I have this
3.3v = 10ohm resistor + 1k vr (or 20k VR alone)
5v = 36Ohm + 10k VR
12v = 68 Ohm + 10k VR
The question I have is - If you can use a 20k trimpot alone for the 3.3v sense line , would I be able to use trimpots alone for the 12v and 5v lines safely ? 50k or 100k for 5v ?? 100 or 500k for 12v ?? Also - is using the resistor + a VR safer ? Does the resitor act as a fuse ?
Thanx guys