need help with 'dc converter'

O

OBL

Guest
hi,

i am trying to figure out how to power up an AT power supply.
i just want to use it as a ac/dc converter, but dont' know the wiring config
to get it to power up.

any ideas?

thanks in advance,

oliver
 
Hi Oliver,

The AT power supply powers on as soon as you plug it into the outlet and
flip the mains switch.

If it's an ATX, then, after you plug it into the outlet and flip the switch
(if any), you need to connect to the ground the "power on" pin in the ATX
connector. Google for "ATX connector pinout" for details.

Hope it helps,
Cirip


"OBL" <olong@carolina.rr.com> wrote in message
news:jqn7b.20113$AU.876850@twister.southeast.rr.com...
hi,

i am trying to figure out how to power up an AT power supply.
i just want to use it as a ac/dc converter, but dont' know the wiring
config
to get it to power up.

any ideas?

thanks in advance,

oliver
 
it is an AT supply...there are 2 motherboard connectors instead of the atx's
one.

there is no switch on it (alas)...it was normally powerd up from a soft
power on the front of the computer


i gotta get this thing going...
i dont' wanna experiment too much cos it's not fused


ack


please help
"OBL" <olong@carolina.rr.com> wrote in message
news:jqn7b.20113$AU.876850@twister.southeast.rr.com...
hi,

i am trying to figure out how to power up an AT power supply.
i just want to use it as a ac/dc converter, but dont' know the wiring
config
to get it to power up.

any ideas?

thanks in advance,

oliver
 
Hmmm, I see.

Does not seem to be a regular AT. Maybe it is something custom. Sorry, no
idea in this case.

Good luck,
Cirip


"OBL" <olong@carolina.rr.com> wrote in message
news:2ws7b.16397$ip5.1169076@twister.southeast.rr.com...
it is an AT supply...there are 2 motherboard connectors instead of the
atx's
one.

there is no switch on it (alas)...it was normally powerd up from a soft
power on the front of the computer


i gotta get this thing going...
i dont' wanna experiment too much cos it's not fused


ack


please help
"OBL" <olong@carolina.rr.com> wrote in message
news:jqn7b.20113$AU.876850@twister.southeast.rr.com...
hi,

i am trying to figure out how to power up an AT power supply.
i just want to use it as a ac/dc converter, but dont' know the wiring
config
to get it to power up.

any ideas?

thanks in advance,

oliver
 
"OBL" <olong@carolina.rr.com> wrote in message news:<2ws7b.16397$ip5.1169076@twister.southeast.rr.com>...
it is an AT supply...there are 2 motherboard connectors instead of the atx's
one.

there is no switch on it (alas)...it was normally powerd up from a soft
power on the front of the computer

you may already have the answer, chances are the switch shorted a
connection on the motherboard power connector and this turns on the
supply. Some supplys have a sticker on the side that will tell you
what pins to short. Eg; the one I'm looking at now has in a column
labeled "GREEN - PS-ON". I ground the green wire and away she goes!
 
yes. most def the mobo power used to turn it on.


no green wire...
no sticker...

alot of colors..o my.


"Steve" <niftydog@hotmail.com> wrote in message
news:e28c5b43.0309091928.27fcf595@posting.google.com...
"OBL" <olong@carolina.rr.com> wrote in message
news:<2ws7b.16397$ip5.1169076@twister.southeast.rr.com>...
it is an AT supply...there are 2 motherboard connectors instead of the
atx's
one.

there is no switch on it (alas)...it was normally powerd up from a soft
power on the front of the computer


you may already have the answer, chances are the switch shorted a
connection on the motherboard power connector and this turns on the
supply. Some supplys have a sticker on the side that will tell you
what pins to short. Eg; the one I'm looking at now has in a column
labeled "GREEN - PS-ON". I ground the green wire and away she goes!
 
all you electronics ppl in here and noone knows...

argh



"OBL" <olong@carolina.rr.com> wrote in message
news:Stx7b.23475$rb3.1036793@twister.southeast.rr.com...
yes. most def the mobo power used to turn it on.


no green wire...
no sticker...

alot of colors..o my.


"Steve" <niftydog@hotmail.com> wrote in message
news:e28c5b43.0309091928.27fcf595@posting.google.com...
"OBL" <olong@carolina.rr.com> wrote in message
news:<2ws7b.16397$ip5.1169076@twister.southeast.rr.com>...
it is an AT supply...there are 2 motherboard connectors instead of the
atx's
one.

there is no switch on it (alas)...it was normally powerd up from a
soft
power on the front of the computer


you may already have the answer, chances are the switch shorted a
connection on the motherboard power connector and this turns on the
supply. Some supplys have a sticker on the side that will tell you
what pins to short. Eg; the one I'm looking at now has in a column
labeled "GREEN - PS-ON". I ground the green wire and away she goes!
 
Of course you did not tell us where it came from.
Lots of AT Compaq supplies, for instance, have 2 white wires that turn it on
and off and I am sure there are other variations in volume brands.
--
John G

Wot's Your Real Problem?

"OBL" <olong@carolina.rr.com> wrote in message
news:%KO7b.17930$ip5.1404258@twister.southeast.rr.com...
all you electronics ppl in here and noone knows...

argh



"OBL" <olong@carolina.rr.com> wrote in message
news:Stx7b.23475$rb3.1036793@twister.southeast.rr.com...
yes. most def the mobo power used to turn it on.


no green wire...
no sticker...

alot of colors..o my.


"Steve" <niftydog@hotmail.com> wrote in message
news:e28c5b43.0309091928.27fcf595@posting.google.com...
"OBL" <olong@carolina.rr.com> wrote in message
news:<2ws7b.16397$ip5.1169076@twister.southeast.rr.com>...
it is an AT supply...there are 2 motherboard connectors instead of
the
atx's
one.

there is no switch on it (alas)...it was normally powerd up from a
soft
power on the front of the computer


you may already have the answer, chances are the switch shorted a
connection on the motherboard power connector and this turns on the
supply. Some supplys have a sticker on the side that will tell you
what pins to short. Eg; the one I'm looking at now has in a column
labeled "GREEN - PS-ON". I ground the green wire and away she goes!
 
You have not provided enough information for us to say anything useful.
Somebody here is sure to know, but you have to know what you are saying first.

Cheers!

Chip Shults
My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
 

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