Dell Power Supply To A Benchtop Power Supply

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jayfmn

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Nov 2, 2018
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I have a DellHP-145SNF Power supply.
These wire's are coming from the Voltage regulator/control PCB inside the P/S.
There are 6 wires involved.
Here are 3 questions that I have,
1 - What is the Orange - "Power Good" looking for?
2 - What is the Brown wire for.
3 - What is the Purple - "+5VSB (Standby)" used for.

The Gray is Power ON when hooked to ground.
Black goes to ground.
Blue/White goes to -12V.

Jay
 

jayfmn

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Nov 2, 2018
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OK, the Orange wire goes to +5v when DC power is good.
The Brown wire is fan control.
The Purple wire is for Stand by +5v power for Wake on LAN or other similar functions.
The build is in progress!!
Thanks!

Jay
 

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Allan
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You're welcome. Let us know how it goes.

How did you find out what the Brown wire is for ?
 
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jayfmn

Thread Starter
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Nov 2, 2018
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3
I touched it to ground, nothing happened.
I touched it to +5v, the fan went into high speed mode.
It must have been controlled by some temperature type circuit.
Even 3.3v will make it go high.

Jay
 
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