Clint:
The ATX pin out was just what I needed.
Anyhow, when I connected the power supply
to an operating motherboard, the power supply
did turn on.... which answered the question about
it working.
Wally
On Sat, 21 Oct 2006 02:33:30 -0500 "Support-OrpheusComputing.com"
<[EMAIL PROTECTED]> writes:
> -----------
> 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.
> --------------
>
> That's an ATX power supply. The one's with the two mobo
> connectors are "AT" power supplies with an independent switch.
> All you need to switch (turn on/off) an ATX PS is a mobo for
> one. You just connect the power connector, then momentarily
> short the (usually labeled) "PWR" pins in the mobo front panel
> connector pin-outs. Sometimes it's labeled "power", or
> "switch", etc.
>
> Another way is there are also ATX PS testers for as low as $10.
> It's not good to power up any PS for more than a few seconds
> because there's no load on it. A PS tester has a dummy load it
> applies to the PS so it can remain on for a couple of minutes
> or so, but no longer than that.
>
> If this is a one-time thing only and you only want to see if it
> powers up and you have no mobo, then on the main ATX to mobo
> power connector you can short a ground (black wire) to the
> green (PS-ON) wire.
> http://www.orpheuscomputing.com/downloads2/ATX-pinout.rtf
> -Clint
>
> God Bless
> Clint Hamilton, Owner
> http://OrpheusComputing.com
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
>
>
> 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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