Build Your Own Arcade Controls Forum
Main => Everything Else => Topic started by: rdagger on November 07, 2006, 03:36:10 am
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I'm trying to use an ATX power supply outside of a computer for 5V and 12V, but I can't get it to stay on. Only, the purple standby wire is always at 5V. If I ground the green wire the P/S will come on for a second and then go off. I tried putting a power resistor between the 5V red wire and ground to create a load, but it did not help. I also tried connecting the brown sense wire to the orange 3.3V, but that also did nothing. Any suggestions?
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I have tested dozens of power supplies by grounding the green wire and ALL of them have stayed on until I removed the ground. I don't know much about electrical, but maybe this makes a difference for some reason. I don't know how you're grounding, but I have always grounded the green wire by shorting the green wire with any of the black ground wires on the same cable. So I just get a little piece of wire and put one end in the green on the molex connector and one end in one of the blacks. They always stay on indefinitely until I remove the short. If yours doesn't, it ain't normal, cos I've done this more times than I can count.
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I have tested dozens of power supplies by grounding the green wire and ALL of them have stayed on until I removed the ground.
I've done this more times than I can count.
Not much on counting, eh? Lawyer angle makes sense now ... :laugh2:
Cheers
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I got it working. I just did not have enough load. I plugged in an old hard drive and it worked. I also had to completely disconnect the brown sense wire because it was causing problems.
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Heh ;D I just don't know exactly how many dozens of times I've done it, see?
Math is definitely not my strong point. I'm not especially bad at it, but I avoid it because I don't enjoy it, so I've never even taken a calculus class and I only have the most basic elements of algebra left inside my brain anymore.