RE: AT PSU

[Keith Doxey <keith.doxey@xxxxxxx>]

One more word of caution......

be sure to put fuses in the leads to each of your devices that you connect
to the PSU.
A PC power supply can generate some very high currents.

A typical 300W PSU is rated at....

+3.3v @ 14 Amps
+5Vsb @ 850 mA	(Standby voltage)
+5v	@ 30 Amps
-5v	@ 300 mA
+12v	@ 12 Amps
-12V	@ 1 amp

Specs taken from FortronSource FSP300-60GN at http://www.a-pro.com/PS.htm

Currents of that magnitude are capable of causing fires particularly for
kit
designed to take a 100mA power supply or set of batteries. Please ensure
you
fit a fuse of suitable value (typically < 1amp ) in the supply to the
device.

Take care

Keith

> -----Original Message-----
> From: Steve [mailto:steve@xxxxxxx]
> Sent: 21 August 2000 10:21
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] AT PSU
>
>
> Thanks for the info. Had a quick look and looks like what
> they call 'Power
> good' an orange wire is the +5v sense.
>
> I will play more tonite.
>
>
> ----- Original Message -----
> From: "Nigel Orr" <Nigel.Orr@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: 21 August 2000 9:52 AM
> Subject: Re: [ukha_d] AT PSU
>
>
> > At 20:49 18/08/00 +0100, you wrote:
> > >I want to use an AT PSU to replace many of the
> plug-in-wall jobs in my
> > >computer/HA control room. The 12v supply.
> >
> > Should be fine, but be careful- it's possible that some of
> the parts will
> > use the supply 'wrong way round', so it's possible you
> could damage the
> > supply by connecting them together.  Not likely, but possible.
> >
> > >As i recall the PSU was working on retirement - i suspect
> some of the
> > >motherboard wire include voltage sense.
> >
> > I don't think so, just on ATX supplies where there's a
> 'standby' mode.
> Try
> > the pinouts at:
> > http://www.upgradeyourpc.com/powersupplyconn.htm
> >
> > Nigel
> >
> >
> >
> >
> >
>
>
>
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