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Dell to ATX Power Supply Converter

Has anybode got a wiring diagram or can you make it for me for the above mentioned object I found on http://www.endpcnoise.com/cgi-bin/e/std/sim_search=dell%20power%20supply.html
I tried to order that thing but the site says that there was a mistake by calculating the shipping costs.

I'm living in the Netherlands so it is not an option to go tot Canada and buy it there.

Please help.

MDries

Posted by on

  • MDries Mar 10, 2008

    Thank you for your answer.



    My PSU is still working, but I want to put a standard ATX PSU in my Dell computer that has got +- 300 Watt. It is a Dell Dimension XPS T500 with a 200 Watt PSU. A standard ATX PSU does not fit because the wiring is completely different. That is why I asked if anybode had the wiring diagram for the connector that is shown on the site I put in my earlier mail.

    How many Watt is your PSU and are the 2 connectors for the motherboard present? If it is less then 300 Watt I don't need it.



    Greetings

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Disconnect the both the power supply wires from the mb ,
then short out the yellow and purple wires with tweezers or paper clip and watch the fan does it turn for a few seconds , if so the power supply is **t shutting down and is very likely ok.

If you need a supply with those conectors I have one for 5.00 and shipping ,I take paypal.
send me a tech buddy request on this forum for email.
I''v seen the pi**uts somewhere but that was many years ago and **body uses that supply much anymore.
I have ** idea what it cost to send a suppy to you.
those adapters came out late in the product life.

Posted on Mar 09, 2008

  • Karl Whisenand
    Karl Whisenand Mar 10, 2008

    I found it weird that so far 2 of my posts had the **'s in it.
    it makes it hard to read, I really did type it correctly.
    The one I have is the old version shipped with the computers something around 200 watts.
    as I was trying to say I have seen the wiring diagram posted before on the internet but that was a very long time ago.
    you might try google searching dell atx pinout.
    I found some that might answer your issue.

    http://pinouts.ru/Power/dell_atxaux_pino...
    http://pinouts.ru/Power/dell_atxpower_pi...

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Dec 16, 2015 | Cars & Trucks

3 Answers

How to make a pc power unit work without a motherboard?


There are two pins on the atx connector you need to bridge. You can wire a switch to the pins too if you want so you can toggle on and off. Otherwise, there is a guy on eBay (seller id: antronst) that sells a connector with the pins already bridged with a on/off switch and a resistor wired in to provide some stability for five or six dollars.
Here is a diagram. Make sure it is a standard atx power supply. Some old Dells had goofy wiring.
http://www.techpowerup.com/articles/other/22

May 16, 2014 | Intel Acbel Power Supply Supports ATX 12V...

1 Answer

Will a NVIDIA GeForce gt 610 graphics processor work on a Dell Dimension 2400 PC Desktop


YES, Zian it will work....BUT,....................

1) It is a PCI graphics card, and uses a PCI expansion slot.

http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=2898922&CatId=319

The Dell Dimension 2400 Desktop PC's motherboard, has three long white PCI slots,

http://support.dell.com/support/edocs/systems/dim2400/en/sm_en/techov.htm#1105465

http://www.ebay.com/itm/Dell-Dimension-2400-Desktop-Motherboard-System-Main-Board-F5949-K5148-G1548-/190750417467?pt=Motherboards&hash=item2c699c623b

http://en.wikipedia.org/wiki/Conventional_PCI

If one of those long white PCI slots is open, you can use a PCI graphics card.

Concerned that the graphics card uses DDR3 graphics memory, and your computer only uses DDR Sdram ram memory?

Don't be.

The graphics card has it's own processor (Graphics Processing Unit), and graphics memory.
It runs independent of the system resources; the Processor and Ram Memory.

http://en.wikipedia.org/wiki/GPU

The concern is the Power Supply.
Original power supply's maximum rated Wattage is either 200 Watts, or 250 Watts.

The above graphics card requires a minimum system requirement/power supply requirement; of 300 Watts.

I would recommend replacing the Power Supply.
(Especially with it's age, if it is still the same one)

http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=1389575&CatId=1078

ONE thing though..............
Watch the 20-pin ATX main power cable connector, and the wires in it. Be sure they are in the standard place setup.

Check the pinout, and color code of the wires,

1) Dell Dimension 2400 desktop computer, 20-pin ATX main power cable connector pinout,

http://support.dell.com/support/edocs/systems/dim2400/en/sm_en/techov.htm#1105612

2) STANDARD 20-pin ATX main cable connector pinout, and color code of wires; as set by JEDEC,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

[Be aware that the ATX main power cable, and connector, you get with a new power supply; such as the above, will have a 20 =4-pin ATX main power cable connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20plus4

Use the 20-pin connector, tie the 4-pin power cable up out of the way]

For a time period Dell was making the motherboard's main power cable connector - Proprietary.
Meaning they has that motherboard connector wire pinout changed.
Colors of wires were in a different place, than the standard setup by JEDEC.

Orange wires are 3.3 Volts (DC)
Red wires are 5 Volts (DC)
Yellow wires are 12 Volts (DC)
Black wires are Ground wires.

Guess what happens if a 12 Volt Yellow wire, is plugged into where a Black Ground wire is supposed to be?

ZZZZZZzzzzt! Motherboard fries, processor fries, ram memory fries, and graphics card. (If used)

Check the color code of the wires, in the 20-pin ATX main power cable's CONNECTOR, for the Dimension 2400's power supply.

For additional questions please post in a Comment.
Regards,
joecoolvette

Nov 14, 2012 | Dell Dimension 2400 PC Desktop

1 Answer

REPLACED POWER SUPPLY AND MOTHER BROAD AND STILL CANT GET IT TOO POWER UP


I need you to check something first.
I'm going to get detailed here to explain;

1) The Dell Dimension 1100 (B110) uses a 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

The above is a STANDARD pinout for the wires going into a 20-pin ATX main power cable's connector.

For a time period Dell had parts made for their computers, that were PROPRIETARY.
(All pre-built computer manufacturers have their computer parts made by somebody else)

They were Proprietary, in that the STANDARD guidelines for desktop computers was NOT followed.
They had the wires changed around for the 20-pin ATX main power cable.

They also had the pins in the 20-pin ATX main power connector, on the motherboard, changed also.
Means if you plug in an aftermarket Power Supply, it may toast the motherboard, Processor, Ram Memory, Harddrive, graphics card, (IF used), and so on.

Fun stuff huh?
Dell changed from being Proprietary as far as I know.

However you computer may fall into the old proprietary parts.
You need to compare the 20-pin ATX main power cable's connector, of the old Power Supply, TO the new Power Supply's 20-pin ATX main power cable connector.

SEE if those wires (Color code) are going into the same socket holes, as the old one.
Look at the Lock on the side, and use it for the key.

In the Standard 20-pin ATX main power cable's connector, Number 1 pin is the Orange wire, and on the side OPPOSITE of the Lock.
Number 11 wire is also Orange, but is on the same side as the Lock.

Now you have the key, check out the old Power Supply's 20-pin ATX main power cable's connector.
Same color of wires going into the proper socket holes in the main power cable's connector?

Whew! Good! Let's go on.

You need to get the Power Supply going.

Bypass the Power On switch.

IF, you bypass the Power On switch, and the Power Supply comes on, you have a bad $5 Power On switch.

IF you bypass the Power On switch, and the Power Supply does NOT come on, you have a bad Power Supply.

Test has NOTHING to do directly with the Power On switch, or it's wires.
A jumper wire is used on the Soft Power On pin, TO ANY Black wire, in the 20-pin ATX main power cable's connector,

Looking back at the 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

The GREEN wire is the Soft Power On wire.
A-N-Y Black wire you see is a Ground wire.

(The power wires are Positive wires. ALL Black wires are Negative wires )

The preferred jumper wire is a paper clip.
Straightened out, then bent into a U-shape.
The top of the U is wrapped a few times with black plastic electrical tape.
This taped area is for your fingers and thumb to hold onto.

Turn the U-shape upside down, and the 'Legs' are what you are going to use.
One leg goes down into a socket hole with the Green wire.
The other leg goes down into ANY socket hole that has a Black wire in it.

The 'Leg' of the jumper wire goes RIGHT NEXT TO the existing wire in the socket hole.
Where the wires go down into the connector of the 20-pin ATX main power cable, is the BACK.
The 20-pin ATX main power cable is plugged into the motherboard, as shown in the photo to the far right, in the Playtool link.

The jumper wire goes down into the Back of the connector, and into the two socket holes named above.
The jumper wire MUST go far enough down into the socket hole of the connector, to go PAST the insulation of the wire, AND touch the metal terminal at the end of the wire.

All wires going into the main power cable's connector, end in a metal terminal,

http://www.molex.com/molex/products/datasheet.jsp?part=active/0002081202_CRIMP_TERMINALS.xml&channel=Products&Lang=en-US

The left side is the Back, and the part that get's crimped on the insulation of the wire. The right side is the Front.
The Front of those Molex metal terminals can be seen in the center photo, of the Playtool link.

Contact made is no more than 2 seconds.
(The Power On switch is A Momentary Contact Switch)

Get the Power Supply going, then post back in a Comment, as to the results.

(Also make SURE the 4-pin ATX +12 Volt power cable is plugged in,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

This is power for the Processor, and sometimes forgotten. NO, it has nothing to do with why the Power Supply does not come on. Just wanted to add.

This is where it plugs into the motherboard,

http://support.dell.com/support/edocs/systems/dim1100/EN/SM/techov.htm#wp1061217

Processor and heatsink connector (J2E1) is where the Processor sits.
Processor power connector (J5B1) is where the 4-pin ATX +12 Volt power cable plugs in )

May I also ask why a new Power Supply was purchased, and a new motherboard?
Post back in a Comment.

Regards,
joecoolvette

Sep 19, 2012 | Dell Dimension 1100 PC Desktop

2 Answers

Want to replace a power edge sc1420 power supply with a regular atx power supply has anybody done that. Think the ATX connector is the same but on the other connectors there are many blue wires and I don't...


1) Dell power supply is unique , you can never replace with another regular ATX power supply
2) Please get 2nd handed Dell power supply from the same model. try ebay

Mar 22, 2011 | Dell PowerEdge SC1420 (SC1420MIN) Server

1 Answer

My dell dccy will not power on. It was working fine and was powered off but will not power back on. I have checked the power cord. I have opened the case and reseated all connectors. Pushing the power on...


Yes, it's called bypassing the Power On switch. Has nothing to do with the switch itself, or it's wires.

You use a jumper wire on the 20 or 24-pin ATX main power cable's connector.
Touch the jumper wire from the Green wire (Soft Power On) to ANY Black wire. (Ground)
(Soft Power On is abbreviated as PS_ON)

If the Power Supply comes on, the problem is the Power On switch.
If the Power Supply does Not come on, the problem is the Power Supply.

1) 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

2) 24-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Look at the photos of the ATX main power cable plugged into the motherboard.
Where the wires go down into the connector is the Back of the connector.

This is where the jumper wire goes down into.

The jumper wire goes down into the socket hole, in the Back of the connector, RIGHT NEXT to the wire IN the socket hole.
The jumper wire has to go pretty far down in the socket hole.

[ATX power cable plugged into the motherboard, Power Supply plugged into power ]

At the end of every wire in the ATX main power cable's connector, is a metal terminal.

A Female Molex Crimp Terminal connector,

http://www.alibaba.com/product-gs/336134982/molex_female_crimp_terminal_connector/showimage.html

[You can click on the Zoom In icon { + } at the top to enlarge the view]

The jumper wire Must touch that metal terminal.
The jumper wire is made from a straightened out paper clip, bent into a U shape.
The middle of the U is wrapped a few times with Black plastic electrical tape.
This where your fingers hold onto the jumper wire.

(One wrap of Black plastic electrical tape is good for 600 Volts DC)

One 'leg' of the U shaped jumper wire goes down into the socket hole with a Green wire.
The other 'leg' of the U shaped jumper wire goes down into ANY socket hole with a Black wire.
(ALL Black wires are Ground wires)

The contact period made is no longer than 2 seconds.

The Voltage is 5 Volts DC.
Two flashlight batteries produce 3 Volts DC.

This is one generic ATX power on switch that I have found fits many computers,

http://www.directron.com/atxswitch.html

NOTE*

WATCH IT when buying an aftermarket Power Supply for your computer, if it needs one.
For a time period Dell was strictly a Proprietary computer manufacturer.
Dell wanted THEIR parts used in THEIR computers only.

They had the motherboard manufacturer switch the pins around in the ATX main power cable connector, on the motherboard.
They also had the Power Supply manufacturer switch the power cables around in the Power Supply.

This means if you plug an ATX main power cable, from an aftermarket Power Supply, into one of these proprietary Dell motherboards, you WILL fry out the motherboard!

Can also fry out the Processor, Ram Memory, and Harddrive. (Plus a graphics card if you have one installed)

CHECK the color code of the aftermarket Power Supply's ATX main power cable, to the color code of the Dell power supply.

See that the color code of the wires matches the socket holes in the connector.

Have further questions regarding this, post in a Comment.

Regards,
joecoolvette

Nov 29, 2010 | Dell Computers & Internet

1 Answer

I am looking at a Dell Dimension 4550 PC for a friend and it won't boot up...i push the power button on and there is an almost orange/greenish light on the power button... no beeps no diagnostic lights are...


Bad Power Supply. Weak voltage power rail.

[There are three main voltages produced by the Dimension 4550's Power Supply.
1) 3.3 Volts
2) 5 Volts
3) 12 Volts ]

The Power On button LED functions as a diagnostic light also.

Dell Support > Dimension 4550 > Service Manual,

http://support.dell.com/support/edocs/systems/dim4550/

Left-click on Solving Problems, then click on Power Problems

The Power Supply is just an ATX form factor version. The common Power Supply form factor used in MANY desktop computers.
(ATX form factor for a Power Supply refers to the size, and shape of the Power Supply's case.
Approximately 6 inches Wide, 5.5 inches Long, and 3-1/2 inches Tall)

HOWEVER, (Not shouting), there is an area of concern, should you try a Power Supply you may have available for a test, or purchase one.

It involves the wiring of the 20-pin ATX main power cable. More specifically the power cable's connector.

To explain view the standard wiring, set for a 20-pin ATX main power cable's connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Looking at the photo to the far right, observe the color code of the wires, going down into the socket holes of the connector.

Look at the Lock tab on the side of the connector. This will help you orient the color code of the wires, and their placement in the socket holes, to the chart below the photos.

The connector on the end of the 20-pin ATX main power cable, is a Male connector.
Where the wires go into the connector, is the Back of the connector.
In the middle photo you can see the Front of the connector.

The wires going down into the ATX main power cable's connector, end in a female metal terminal.
The connector on the motherboard, (Shown in the photo to the Left), has Pins.
The metal female terminals go over the Pins.

The pins are numbered. The color code of the wires match up to the pins.
This is shown in the chart.

Now look at Dell Support > Dimension 4550 > Technical Overview > DC Power Connectors >
DC Power Connector P1

http://support.dell.com/support/edocs/systems/dim4550/techov.htm#1101897

The illustration may not be accurate. You'll have to compare since you have the computer, and Power Supply in front of you.

For a time period Dell was a Proprietary manufacturer.
Meaning they wanted THEIR parts used on THEIR computers, and ONLY THEIR parts.
They had the motherboard manufacturers make motherboards according to their specs.

One of the specifications was that the pins would be CHANGED around, in the motherboard connector for the ATX main power cable.

They also had Power Supply manufacturers make the ATX power cable to their specifications.

This means if a user bought an aftermarket Power Supply, the color code of the wires in the ATX main power cable would Not match.

Many users did buy an aftermarket Power Supply, and installed it.
Burnt motherboards, fried Processors, and graphics cards, resulted.

Orange wires are 3.3 Volts
Red wires are 5 Volts
Yellow wires are 12 Volts.
Black wires are Ground wires.

Guess what happens when you plug a 12 Volt wire into where a 3.3 Volt, or 5 Volt, or Ground wire is supposed to Be?
POOF!

My suggestion would be to look for a Power Supply that is an ATX form factor, is KNOWN to be good, and is compatible, for a test unit.
You, or someone you know may have upgraded to a better computer, and you may be able to borrow the Power Supply for a test unit.

Compatible:
Has the Correct power cables.
1) 20-pin ATX main power cable, OR a 20/24-pin ATX main power cable.
(20-pin connector that has an additional connector with 4 pins. Just use the 20-pin)

2) 4-pin ATX +12 Volt power cable. (Also referred to as P4 MB, and P4 ATX 12V)

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

(Power for the Processor)

3) Enough standard 4-pin Peripheral power cables.
(Misnomered as Molex)

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

(Power for the IDE Harddrive, and Optical drive/s)

Also:
You can change the power wires around in the ATX main power cable's connector.
Change them around, in an aftermarket Power Supply's ATX main power cable's connector.

Want to know how post in a Comment.

Oct 09, 2010 | Dell Dimension 4550 PC Desktop

1 Answer

My windows xp computer crashed. i had the computer looked at by a repairman and he said the power supply was bad. he did not recommend fixing the computer but could recover the data on the computer to...


That sounds dodgy! A new ATX power supply costs about £15.00GBP unless its a Dell which are more expensive. Saying that you can get them on eBay quite cheap or buy a Dell PSU converter for an ATX power supply and do it that way.
Oh and don't bother with that repair man again!

Phill.

Oct 07, 2010 | Computers & Internet

1 Answer

I have a dell dimention 5100 it was working fine this morning. But now i can turn it on.


Suggest you bypass the Power On switch with a jumper wire used on the Soft Power On of the Power Supply.

If the Power Supply comes on, you have a bad Power On switch.

If the Power Supply does Not come on, you have a bad Power Supply.

The Power On switch is located inside the plastic Power On button.
This is one generic Power On switch that I have found fits many computers,

http://www.directron.com/atxswitch.html

The jumper wire is used on the 24-pin ATX main power cable.
This is an example of a 24-pin ATX main power cable, and it's connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Dell Support > Dimension 5100 > Technical Overview > System Board Components,

http://support.dell.com/support/edocs/systems/dim5100/en/sm/techov1.htm#wp1058472

The 24-pin ATX main power cable is plugged into the motherboard, as shown in the photo to the right, on the Playtool link.

The jumper wire is used to make a Momentary (Brief) contact, with the green wire, and ANY Black wire.

The Green wire is the Soft Power On wire.
ANY Black wire is a Ground wire.

There is a correct procedure for doing this.
The safety risk is very minimal.
The Soft Power On voltage is 5 Volts DC.
Two D cell batteries produce 3 Volts DC.

An insulated wire should be used. You may wish to wear a glove on the hand that connects the jumper wire, just for an added feeling of safety.

Should you wish to know the correct procedure, simply state so in a Comment. Believe upper right of your page.

Jun 24, 2010 | Dell Dimension 5100 (D51L1) PC Desktop

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