[simpits-tech] Using an ATX power supply

Mike Brogley mikebrogley at ieee.org
Wed Oct 6 01:12:07 PDT 2004


Roy Coates wrote:

>On Thu, 30 Sep 2004, Bubba wrote:
>
>  
>
>>Roy Coates wrote:
>>    
>>
>>>ok, so you link the green wire to ground and the power supply should
>>>switch on.
>>>
>>>Now, I do recall that these supplies need a load in order to function
>>>properly. I also recall horror stories about them failing if they
>>>don't have a proper load on them. Truth or urban myth?
>>>
>>>Can anyone who KNOWS please share!?
>>>      
>>>
>>Ok, found it. A momentary switch between pin 14 and ground will do it. Just
>>make sure there's enough of a load on the +5v side since it's a switch mode
>>PS. It shouldn't fail without a load, but may well shut down.
>>
>>Note that this is ONLY for ATX PS's. Doesn't count for AT's.
>>    
>>
>
>
>Magic, thanks Steve.  +5 at 12 amps.   Smokin' !!
>
>
>  
>

No no no - a smoking power supply is a Bad Thing. Once the magic smoke 
escapes, electronics won't work any more.

--
Mike



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