Question about Dell (DPS-1200EB) (F5323) 1200-Watt Power Supply

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Pinouts for DPS 1200 eb a /24 pin


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  • bol4 Apr 22, 2009

    Would like to use it as 12V stand alone PS. Don`t know how to power on. Dell told me, we don`t know.



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Posted on Jan 29, 2009


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Smps not working

Nothing special about that Power Supply except for the PRICE!

It's just a regular ATX SMPS with a 575 Watt maximum rate wattage, and an 8-pin EPS +12 Volt power cable.

The HP part number is HP 405349-001
I just THOUGHT the above model was expensive,

Uses one 24-pin ATX main power cable,

One 8-pin EPS +12 Volt power cable,

NOT to be confused with the 8-pin PCI Express power cable,

Yellow wires are 12 Volt wires. Black wires are Ground (Negative) wires.
The 8-pin EPS +12 Volt power cable has FOUR 12 Volt wires.
The 8-pin PCI Express power cable has THREE 12 Volt wires ]

I believe 4 SATA power cables,

,and a few 4-pin Peripheral power cables, ('Molex'),

Power Supply case dimensions are approximately
6 Inches Wide, 5.5 Inches Long, and 3.5 Inches in Height.
(152.40mm Wide, 139.70 Long, and 88.89mm in Height )

36 Amps combined for the two 12 Volt power rails.
(12V1 = 18 Amps, 12V2 = 18 Amps)

This is an example of a replacement SMPS,

I'm running one of these right now in a Dell Optiplex 745
Yes, even though the power cabling noted on the Tigerdirect ad is erroneous, it DOES have an 8-pin EPS +12 Volt power cable.

One 24-pin ATX main power cable
Four 4-pin Peripheral power cables
Six SATA power cables
One Small 4-pin Peripheral power cable. (Used for a Floppy Drive, or a Card Reader)

Two 12 Volt power rails. 12V1 = 23 Amps, 12V2 = 20 Amps
Combined = 43 Amps on the 12 Volt power rail.

Due to the possible electrocution hazard, I don't post info on repair.
I will state;
The capacitors need to be PROPERLY discharged, before attempting to work on the unit.
The Radial Aluminum Electrolytic Capacitors are the weakest link.

For additional questions please post in a Comment.


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Need to convert a Power Supply CISCO 34-0873-01 to work stand alone??

These should use a standard ATX pinout. Use the big 24 pin moles connector to bridge pin 14 to 15.

Sep 30, 2012 | Sony Lot Of 2 - Cisco Catalyst 4000 Series...

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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.

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.

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Model D3057F3H Want to use it to power a car radio. What is the on / off connection and what is the 12V out let than can handle 5amp

Check the label on the power supply for the current rating on 12 volts.
The +12 volt is the yellow colored wire and the black is the ground.
To turn on the switch mode power supply connect pin 14 (for a 20pin connector) or pin 18 (for a 24pin connector) to ground.
You can use a switch so you can turn the power supply ON and OFF.

Please click on this link for diagrams of the 20 and 24 connector pinouts :-

Sep 12, 2010 | Hi-Pro (HP-P401W) (HPP401W) Power Supply

1 Answer

Missing power supply. First, thanks to fredtmccoyjr for the boot fix. the BIOS update from A06 to A09 actually allows me to enable boot from harddisk in the settings, instead of settign a useless tick on...

It was the 1996 to 2000 time frame, that Dell was proprietary with the 20-pin ATX main power cable, and the matching connector on the mobo. (MOtherBOard).

Standard 20-pin ATX main power cable, and it's corresponding connector should work, then add the 4 power wires that are missing, in a separate connector.

To expound:

View this standard 20-pin ATX main power cable, and it's respective connector,

The power wires should be in the same place as your P3 units.

(Match the color codes.
Use the lock tab on the 20-pin ATX main power cable connector, to base where the pins are.

Pins 1 though 20. Match the color code of the wires to the pins, and use the chart to compare)

Here is a view of a standard 24-pin ATX main power cable, and it's respective connector, so you can see what power wires are missing, from the 20-pin ATX main power cable connector, that are present in the 24-pin ATX main power cable connector.

Note the missing power wires, and what pins they line up with.

The P4, or also stated as the 4-pin ATX +12 Volt power cable, uses two Yellow (12 Volt) wires, and two Black wires, (Ground)

Since you don't have the male connector, be sure to orient in your mind where the Yellow (12 Volt) wires go, and the Black (Ground) wires go, by looking at the lock tab on the side of the female connector, on the motherboard, and comparing it to the photo.

Transfer this info, to the P4 connector you are going to make.

Where to get the power wires you need? Connect to any extra 4-pin Peripheral power cable wires, or splice off of ones that are in use, is one suggestion.

The links given are near the middle of the page. Scroll back to the top. Left-click on any power cable connector, that you wish more information on.

More info,

Scroll to the bottom of the page, and look at the chart under the heading -

24-pin ATX12V 2.x power supply connector
(20-pin omits the last four: 11, 12, 23, and 24)

One more link,

Lastly Dell Support > Optiplex GX260 > Service Manual,

Just in case it's of any use.

Have questions regarding what I have stated, or need more clarification of anything I have stated, simply post in a Comment.

Jul 06, 2010 | Dell OptiPlex GX260 PC Desktop

1 Answer

I need to build a psu for my sony vaio vgc m1 (18 pin motherboard connector) any1 know how to do this? or if any1 has a spare thanks

Make a Switching Mode Power Supply? (SMPS)

Ummm, no.

Have it repaired by a competent tech would be one solution. Pretty hard to find, as most are just glorified parts changers.

Information to pass on to the tech:

I've been searching the internet, and it seems a the R20 resistor on the circuit board, (Don't know if it's on the input base plate, or the stabilization base plate), is one component that fails.
It is a .22 Ohm resistor.
(That's point 22 Ohm, not 22 Ohm)
A competent tech will know what voltage range, and tolerance range, to use for a replacement.

The second component that seems to fail is one, or all four, of the power MOS-FET's.

(IF I understand correctly, the 07N60C3 MOS-FET's, are Infineon SPP0760C3 unit's.
Again IF I understand correctly, the Hitachi 2SK3234 may be a replacement)

The power supply used was made by Delta Electronics. It was made in Japan. The model number is DPS-197AB.
Sony's Part Number is 1-468-878-11.

The pinout of the 18-pin ATX main power cable connector, (CN1), according to my sources is;

Pin 1 - Orange - +3.3 Volts
Pin 2 - Orange - +3.3 Volts
Pin 3 - Red - +5 Volts
Pin 4 - Blue - Power Signal
Pin 5 - Green - PS-ON (With ground power source on)
Pin 6 - White - Fan -(Motherboard fan)
Pin 7 - Pink - + of Mfan (Case fan. same/same)
Pin 8 - Yellow - +12 Volts
Pin 9 - Yellow - +12 Volts
Pin 10 - Black - Ground
Pin 11 - Black - GRD
Pin 12 - Black - GRD
Pin 13 - Black - GRD
Pin 14 - Purple - +5 VSB (+5 Volt Standby. The usual 5 Volts)
Pin 15 - Gray - Power Good
Pin 16 - Black - GRD
Pin 17 - Black - GRD
Pin 18 - Yellow - +12 Volts

The PSU (Power Supply Unit) case, indicates 197.7 Watts is the maximum rated amount.

1) The 3.3 Volt power rail can handle 8 Amps (26.4 Watts)
2) The 5 Volt power rail can handle 7 Amps (35 Watts)
3) The 12 Volt power rail can handle 14 Amps (168 Watts)

Total is more like 229.4 Watts.
(Of course this power supply, probably only has a maximum sustained efficiency of 80 percent)

To you:
A computer only uses the power it needs, and NO more. If there was a way to hook up a 1000 Watt power supply, it wouldn't hurt the computer.

IMHO, a tech will not be able to substitute the circuit board, and components, out of another power supply, and be able to fit it in the power supply case, that fits in the Sony Vaio VGC M1 All-In-One computer.

The size, and shape of the metal casing, is a Proprietary item for the Vaio VGC M1, as well as the 18-pin ATX main power cable connector.
(As you are already aware about the 18-pin connector pinout)

(Proprietary meaning made for THAT computer)

This would mean using an external power supply. Something that a professional tech is not going to approach.
Liability issues dealing with safety.

IMHO though it is a feasible approach, IF, the power supply has a metal case cover of solid design, that allows a space between it, and the replacement power supply's case.

Power supply's cases have ventilation holes in them.
What do you suppose would happen if a toddler, inserted a metal rod down into one of those ventilation holes?
Bad shock to Fatal!
Also if water were accidentally spilled on the power supply.

There would have to be a metal casing that allows an air space between it, and the replacement power supply's case, so the replacement power supply would have adequate ventilation. Would also be a safety guard.

I have also searched online, and I also concur that the Delta DPS-197AB power supply, is as rare as hen's teeth.
(Chicken hens do not have teeth)

I did see where someone on Ebay UK had one for sale, but the listing is over.
I saw a Japanese auction website that had one also, but it's listing was over.

I also saw where a person on a forum had two for sale. (Long over with)
Indication was a bad power supply, but the final diagnosis revealed the motherboard was bad.
(Food for thought)

{I also saw where a motherboard was offered on Ebay}

To conclude:
MAYBE, there is a tech that will outfit an external power supply.
Not a very aesthetic approach, but a viable one. (IMHO)
The tech will remove the 18-pin connector from the power wires of the original power supply, and insert the power wires of the replacement power supply into the 18-pin ATX main power cable connector.

Or perhaps an individual will again offer the power supply


DO NOT open the power supply yourself!!
There are Electrolytic Capacitors used in the power supply. (Input Stage, and Output Stage. They are used as Filters)

An Electrolytic Capacitor slowly builds up a charge, then releases it, All At Once.
They can hold a charge, once removed from power, for weeks, months, and sometimes over a year.

IF, your finger's touch the terminals on the bottom of an Electrolytic Capacitor, the charge can be released to you!

IF, your finger's touch, and complete a circuit that one, or more capacitors are in, the charge can be released to you!

Bad shock to FATAL!

There is a proper way to discharge a capacitor.
I will not list it.

Repair is for a qualified, competent repair tech.


The above link, is to show you some of the Electrolytic Capacitors used inside a Delta DPS-197AB power supply.
The link is not translated on purpose.

Scroll down to the 3rd, and 4th photo. That large Black object that looks like a Can, and has - 4742AW on it, is an Electrolytic Capacitor.

This one has enough power stored to put X's in your eyes]

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1 Answer

Where to plug case side fan

Pinout Pin number Wire color Description 1 yellow +12 volts 2 black ground 3 black ground 4 red +5 volts

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