Using a Computer PSU without a computer

S

simon lloyd

Guest
Hello, I'm wanting to use a computer PSU as a PSU. The one I've just bought
doesn't work. I'm assuming that's because it needs a computer. So.... what
does the motherboard do, maybe connects the grey to the green, or the purple
to ground, or...does anyone know please??

Simon
 
"simon lloyd" <simon.lloyd12@btinternet.com> wrote in message
news:d5eaq9$g19$1@nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com...
Hello, I'm wanting to use a computer PSU as a PSU. The one I've just
bought
doesn't work. I'm assuming that's because it needs a computer. So.... what
does the motherboard do, maybe connects the grey to the green, or the
purple
to ground, or...does anyone know please??

Simon
Click to expand...
Easy, jumper the green wire to ground to start the SMPS. Since you have no
power good signal coming back, the jumper will have to stay as long as you
need the supply on. You also must pull some minimum current from the
supply for it to achieve regulation. 2 amps should do nicely
 
simon lloyd wrote:
Hello, I'm wanting to use a computer PSU as a PSU. The one I've just bought
doesn't work. I'm assuming that's because it needs a computer. So.... what
does the motherboard do, maybe connects the grey to the green, or the purple
to ground, or...does anyone know please??

Simon


connect a 2A load on the 5v leads
Click to expand...
 
And also ground the green wire to turn it on. Well...possibly green.
IF it's one of them there proprietary ones it might not be the green
wire...but usually it's the green one.

ryan wiehle wrote:
simon lloyd wrote:

Hello, I'm wanting to use a computer PSU as a PSU. The one I've just
bought
doesn't work. I'm assuming that's because it needs a computer. So....
what
does the motherboard do, maybe connects the grey to the green, or the
purple
to ground, or...does anyone know please??

Simon


connect a 2A load on the 5v leads
Click to expand...
 
Thanks very much. Power supply working fine.

Simon




"simon lloyd" <simon.lloyd12@btinternet.com> wrote in message
news:d5eaq9$g19$1@nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com...
Hello, I'm wanting to use a computer PSU as a PSU. The one I've just
bought
doesn't work. I'm assuming that's because it needs a computer. So.... what
does the motherboard do, maybe connects the grey to the green, or the
purple
to ground, or...does anyone know please??

Simon
Click to expand...
 
"Andy P" <itsasecret@iwonttell.com> wrote in message
news:8LKdnaueCttqX-ffRVn-oQ@adelphia.com...
And also ground the green wire to turn it on. Well...possibly green. IF
it's one of them there proprietary ones it might not be the green
wire...but usually it's the green one.
Click to expand...
I sincerly hope you're not a bomb technician (just joking ~:).

Dwayne

ryan wiehle wrote:
simon lloyd wrote:

Hello, I'm wanting to use a computer PSU as a PSU. The one I've just
bought
doesn't work. I'm assuming that's because it needs a computer. So....
what
does the motherboard do, maybe connects the grey to the green, or the
purple
to ground, or...does anyone know please??

Simon


connect a 2A load on the 5v leads
Click to expand...
 
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