PCWorks: power supply

The computers with the power supplies that connect
to the motherboard with a single connector can be
shut down by a signal from the motherboard 
created by the operating system.  I believe that
they can also be turned on by a signal from the
operating system.

I want to test a power supply independent of the
mother board.  What type of signal is required
to turn the power supply on and keep it on?
On what line in the connector is the signal sent?
Some power supplies have a separate two wire
connector that might be used for this purpose.

Is there somewhere that I can download this
information?  Maybe in a PDF file that contains
schematics?

Wally
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You could probably find that info, but it would be much
simpler to buy a 
power supply tester:
http://froogle.google.com/froogle?q=power+
supply+tester&hl=en&hs=fGc&lr=&safe=off&
client=firefox-a&rls=org.mozilla:en-US:official&sa=X
&oi=froogle&ct=title
Mine has been very handy and completely reliable.


whckmjuno.com wrote:
 > The computers with the power supplies that connect
 > to the motherboard with a single connector can be
 > shut down by a signal from the motherboard created by
the operating 
system.  I believe that
 > they can also be turned on by a signal from the
 > operating system.
 >
 > I want to test a power supply independent of the
 > mother board.  What type of signal is required
 > to turn the power supply on and keep it on?
 > On what line in the connector is the signal sent?
 > Some power supplies have a separate two wire
 > connector that might be used for this purpose.
 >
 > Is there somewhere that I can download this
 > information?  Maybe in a PDF file that contains
 > schematics?
 >
 > Wally
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