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Enable power supply from compac 270646-001

Witch connector pin's from de motherboard connector do I need to connect together to enable the power supply?

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SOURCE: Compaq 243891-002 desktop PC power

jump the green wire with a black one listen foe the fan to come on paperclip works good

Posted on Jan 07, 2011

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SOURCE: Hi, About HP power supply part

Hello Valery, you found a solution to reduce the output voltage from HPS3KW?
The trimmer inside is very inaccessible and
I would not use the diodes do not dissipate power unnecessarily.
Thanks
Errico

Posted on Nov 06, 2011

Testimonial: "Hi Errico, I have just tested it. Perfection! I removed the old pot quite easily. I just pushed it and it dropped. The I soldered 8.2Kom pot. I was able to reduce the voltage to 44.78V."

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Need a new power supply for a soyo mother board Crown model fp-


All you need to know is if your motherboard has a 24-pin or 20-pin power connector. You can just count the pins if you don't know. There connector is located on the motherboard. It looks like this: moondogwst75_3.jpg

So if it's a 24-pin, order a 24-pin power supply. If it's 20-pin, order 20-pin. Hope this helps!

Aug 28, 2011 | System Power Supplies

2 Answers

Replaced smoked RaidmaxKY-520ATX power supply. Replacement power supply does not turn on. Which wires are remote power up from mother board ?


You can actually test the power supply before connecting it to the motherboard. Take a look at the power supply pinout by CLICKING HERE. Jump pin 14 with 13, 15, 16, or 17 to turn it on. You will have to get a manual for your motherboard to see how the front panel connector is configured with your case power switch. If you have that manual you can jump the 2 connector pins for the power switch to test the p/s from the motherboard.

Jun 03, 2011 | RaidMax (KY-520ATX) 420-Watt Power Supply

5 Answers

There is no power switch on the enhance atx 1123b that I have . What actually powers it up?


Just about every power supply I've owned doesn't have a power switch. The power supply is turned on by one of the wires in the 24 pin connector. According to this it looks to be pin 16 and how to turn it on:

"Short this pin to GND to switch power supply ON, disconnect from GND to switch OFF."

Hope this helps

Ray

Mar 01, 2011 | Enhance Technology ATX-1123B, Enhance...

1 Answer

Dont know what to connect too


The power-supply must connect to the motherboard (the biggest connector),
and to each device (CD or DVD or diskette-drive or disk-drive) that you want to use.

Often, there will be 4-pin (2by2) connector that also must be connected to a matching socket in the motherboard, to provide additional power to the video-card.

Feb 12, 2011 | Rosewill 80 PLUS Power Supplies Series...

1 Answer

I am trying to troubleshoot whether or not my ultra x2 connect 550 watt power supply is bad. When you press the power button on the computer, the light flashes and then noth9ing else happens. The light...


Well here is a way to check your power supply, on your hard drive connector using your volt meter and measuring from ground. this would be using one of two middle connectors it should measure +5 VDC on the red wire and + 12 VDC on the yellow wire. If these voltages are good then we got to see if the power supply is producing the -12VDC voltage. This voltage is ussed by the syustemboard on pin 14 of a 24 pin power supply. I would recommend not having your system board plugged in while measuring these votlages, but the power supply may need a load, I would plug in the cdrom.. Below are a couple of picture to explain this and a link to a website that has this documented.

http://www.playtool.com/pages/psuconnectors/connectors.html

dfish26_1.jpg The 24 pin main power connector was added in ATX12V 2.0 to provide extra power needed by PCI Express slots. The older 20 pin main power cable only has one 12 volt line. The new 24 pin connector added one line apiece for ground, 3.3, 5, and 12 volts. The extra pins made the auxiliary power cable unnecessary so most ATX12V 2.x power supplies don't have them. The 24 pin connector is polarized so it can only be plugged in pointing in the correct direction.
Pinout Pins 1 through 12 Pins 13 through 24 Description Wire color Pin number Pin number Wire color Description +3.3 volts orange 1 13 orange +3.3 volts +3.3 volts orange 2 14 blue -12 volts ground black 3 15 black ground +5 volts red 4 16 green PS_ON# ground black 5 17 black ground +5 volts red 6 18 black ground ground black 7 19 black ground PWR_OK gray 8 20 white -5 volts (optional) VSB +5 volts purple 9 21 red +5 volts +12 volts yellow 10 22 red +5 volts +12 volts yellow 11 23 red +5 volts +3.3 volts orange 12 24 black ground
Good Luck I hope this helps.

Nov 19, 2010 | PSA Ultra X2 Connect (ULT31851) 550-Watt...

1 Answer

I have a mother board with 4+4 pin atx connection but the additio


The extra 4-pin connector should slide into the side of the larger connector. If the leads are the following: black/yellow/yellow/black, then this connector goes on a different location (usually close to the CPU/heatsink assy). Sometimes the PSU will not come equipped with the aux 4-pin that slides in next to the main connector... The computer generally WILL work without this connector, provided the aformentioned connector is connected in the aforementioned slot.

May 23, 2010 | Antec Basiq BP500U (ASKU51402) 500-Watt...

1 Answer

I am putting together a new PC...I have a Austin DR-B450ATX PSU...It has a wire with a flat 6 pin socket ...What is this wire for please...Many thanks


There are some power connectors that are not requires for your model motherboard. If there is no matching connectors on the motherboard then just make sure it is tucked away so it does not interfer with the fans.

Mar 26, 2010 | Austin Power Supply (AUSDRB400ATX) Power...

1 Answer

My computer won't start. Power supply (ttgi 450ss) has a blinking green light and the power supply fan starts when plugged in. Motherboard (asus m2npv-vm) has a green light illuminated between the pci...


See if you plugged in the 4 pin power connector on the motherboard besides the main power connection on the power supply (usually black colored and its a plastic 4 pin connector)

Try another power supply if all else fails. If new power supply does not work with this unit then its a motherboard which is blown and motherboard needs replacing.

Hope this helps

Mar 16, 2010 | TTGI SUPER FLOWER 450W quad fan switching...

1 Answer

Need to up grade Components


Almost all of the newer power supplies use the black connectors - and generally come with one or two white connectors for older hardware. The best recommendation I can give you is to open the box and make sure the power supply will fit inside your computer, and the screw holes match the ones on your old power supply. Other than that it's normally a fairly easy process to change power supplies on newer computers.

Sep 24, 2009 | System Power Supplies

1 Answer

I would like to know how to troubleshoot a brand new Ultra LS600 power supply. I would like to go beyond hearing "it's dead" since I am getting power to the motherboard (via indicator light)m but the PSU...


You can start the PSU manually with a paper clip.
Remove the 20 pin connector from the motherboard, leave the four pin power connectors attached to your various drives (this will provide a load on the power supply when it start up (provided it is not faulty).
Look at the 20 pin connector with the connector facing you.and the locking clip to your left.
The fourth pin from the bottom LH corner should be a green colour wire and the next two wires (5th & 6th pin) should be black and next to the locking clip.
Straighten a paper clip and insert it into the 4th pin and into the 5th or 6th pin (ie connect these wires together). These wires connect to the front panel switch to turn on your computer. You are testing the power supply only and since it is not connected to the motherboard the computer won't start.
Now connect the power unit to the mains and switch on the mains, if the power supply is OK the PSU fan should spin up and your hard disk should also spin up. If nothing happens the the PSU is faulty.
You can test the +5volts and +12volts supply on a 4 pin power connector with a multimeter. The red wire is +5volts and the yellow wire is +12volts and the black wires are negative (ground). The voltage readings should be within 5% of these voltages.
There are other voltages to be checked +3volts, -5volts, & -12volts. but these are not as critical.

Dec 05, 2008 | Ultra Products Ultra LS600 Lifetime Series...

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