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| Thread ID: 69525 | 2006-06-04 20:55:00 | ATX - PSU | B.M. (505) | Press F1 |
| Post ID | Timestamp | Content | User | ||
| 460404 | 2006-06-04 20:55:00 | Can somebody remind me which two pins you have to loop together to turn on an ATX power supply for testing? I just want to power it up without a Motherboard, or in fact anything other than a couple of lights attached. :thumbs: |
B.M. (505) | ||
| 460405 | 2006-06-04 21:06:00 | The 2 pins you need to short, are on the motherboard. Not on the PSU. | Speedy Gonzales (78) | ||
| 460406 | 2006-06-04 21:44:00 | no, of course you can 'turn on ' the psu from the main connector plug which it has usually plugged into the mobo.......just get a paperclip or similar and bend it into a U shape ......then look near the middle of the connector and you'll see on one side a few black wires and a green one.......you just need to 'jump' one of the blacks to the green and that should 'fire up ' the psu, you'll be able to tell cause it's fan will start turning | drcspy (146) | ||
| 460407 | 2006-06-04 21:46:00 | and speedy they did say just want to power it up without a Motherboard, | drcspy (146) | ||
| 460408 | 2006-06-04 21:51:00 | and speedy they did say just want to power it up without a Motherboard, Yer, I can read. |
Speedy Gonzales (78) | ||
| 460409 | 2006-06-05 00:05:00 | Thanks Guys. Nothing's simple is it? :mad: This PSU doesn’t have a green wire and the pin-out looks entirely different to a standard ATX PSU. :rolleyes: (the plug's the same) It’s a DELL model HP-145snf and looks like a special for one of their slim-lines. I was going to just short the equivalent colour to the green pin but closer inspection suggests this may not be wise as even the Reds – Yellows & Blacks seem to be in different places. :illogical I think I need to do a bit more research. Your reply drcspy was what I was after as I thought it was green to black with the paper clip trick, but when it didn’t have a green I got confused. :confused: |
B.M. (505) | ||
| 460410 | 2006-06-05 00:10:00 | Be careful, Dell PSUs and motherboard sockets were and maybe still are, differently connected as compared to 'standard' ATX connections, even though the plugs and sockets are physically the same. | Terry Porritt (14) | ||
| 460411 | 2006-06-05 01:14:00 | Dell psu's are completely different. to start the PSU you will need to short the grey wire (right on the end) with a black one. I suggest you also have a harddrive connected as some psu's won't start without a load, plus running it with no load doesn't make for a great test either. |
Agent_24 (57) | ||
| 460412 | 2006-06-05 01:34:00 | Thanks again guys. I don’t know whether it’s accepted practice or not, but I hang a car tail light bulb off the 5v & 12v lines and monitor the voltage on the various lines with a multimeter. I hoped this method would save a HDD or MB if something really untoward had happened to the PSU. Plus of course you also draw a reasonable current whilst checking the voltages. ;) |
B.M. (505) | ||
| 460413 | 2006-06-05 01:58:00 | Yes that it is the way I do it as well. The bulbs provide a medium load and are readily available from the rejects off your car. It is always the stop light that blows on the dual bulbs so there is always one still working. | zqwerty (97) | ||
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