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P3 DVD connector

Where does the P3 and the P4 connectors from a new power supply go on a DVD player?

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Well........................

The numbering for power supply cables, differs from one pre-built computer manufacturer, to the next.

GENERALLY, a P3 power cable is a 4-pin Peripheral power cable,

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

(Also misnomered as a 'Molex' power cable.
Molex came out with the design for the power cable CONNECTOR.
The name stuck. Kinda' like calling an adjustable open-end wrench, a 'Crescent wrench' )

A P4 power cable is usually a 4-pin ATX +12 Volt power cable,

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

This power cable was brought out to provide more power for the motherboard, and specifically the Processor. (CPU)
Does NOT connect to an optical drive. (CD/DVD drive)

DOES need to be connected to motherboard though, because it is POWER for the Processor!

Moving on.............

Let's dispense with the antiquated numbering of the power cables, and show you the real information you need;

There are two types of Optical Drives out there, currently being used;
1) IDE. Also known as PATA.

2) SATA

An IDE optical drive will use a 4-pin Peripheral power cable,

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

Note the rounded corners on top.
When plugging in one of these power cables, just always remember the rounded corners go on TOP.

The data cable used is a flat IDE ribbon cable. These are general examples,

Illustration,

http://en.wikipedia.org/wiki/File:Nappe.svg

Photo,

http://en.wikipedia.org/wiki/File:ATA_cables.jpg

I would like you to look at the connector end, and specifically the Locating Lug on one side of the connector,

http://en.wikipedia.org/wiki/File:PATA-cable.jpg

This style of Locating Lug consists of two small 'bars'.
There are types where it is filled in. Just one solid lug.

The Locating Lug lines up with a Cutout, on the optical drive.
(Or IDE/PATA harddrive)

IF, there is no Locating Lug on your IDE/PATA flat ribbon cable, post back in a Comment.
I will show you the proper way to connect it, using the Red stripe on the side of the cable.

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

If you have a SATA optical drive, it uses a SATA power cable.
This is a general example,

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

Between the SATA data cable connector, and the SATA power cable connector; the SATA power cable connector is the larger of the two.

SATA data cable connector has 7 contact pins.
SATA power cable connector has 15-pin.

This is an example of a SATA data cable, and it's respective connector,

http://en.wikipedia.org/wiki/File:SATA_ports.jpg

Note the L-shaped opening. The SATA power cable also has this L-shaped opening.

Observe the SATA data cable connector examples, on the motherboard.
Note the L shape.

(Note: The SATA data cable connectors on YOUR motherboard, may differ in style.
The ones shown (Red) are an Open design.
There are styles that are Enclosed. Have an oval around the
L shape)

To install the cable connector, line the L-shaped opening, with the L shape on the optical drive connector.

Tip: Turn this L over to the left, then turn upside down.
The small 'foot' of the L, always points DOWN, when installing connector.


The SATA data cable connector, that plugs into the optical drive, should be a 90 degree bent elbow.
The connector end that plugs into the motherboard, should be a Straight connector.

The SATA power cable connector, and the SATA data cable connector; MAY have a Lock on top.
Usually a small depression, or Tab, or 'bulb'.
Depress with your thumb tip, to install, or remove the cable.

(Hmmm, betting now the P3 power cable may be a SATA power cable.

How'd I do? Post back in a Comment)

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

Posted on Feb 24, 2013

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1 Answer

I have the dynex 400 watt atx power supply,connector do I use my sata connector.


They try to make them "idiot proof." Only the correct one should fit in the power receptacle on the dvd/cd player.

Try the different ones and don't force anything...

Mar 09, 2014 | Dynex 400-Watt ATX CPU Power Supply

Tip

How to use a P3 power supply with a P4 or newer motherboard.


Well its fairly simple, You need the following cable to convert your P3 power supply into P4 power supply.


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c538f01.jpg

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The pictures pretty much explain every thing, this is the only plug that is not present on a P3 power supply. You can make this cable your self by salvaging connectors from non-working power supplies and other computer peripherals. The connections are straight forward just connect both the yellow wires to the single yellow wire and the black wires to the black wires and your done.

on Feb 09, 2010 | Computers & Internet

1 Answer

How does P4 Connector connect to the CD Rom Drive


Hmmm, P4 is usually a designation, for a 4-pin ATX +12 Volt power cable,

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

I see though that they have P2 as the 4-pin ATX +12 Volt power cable, and P4 as a SMALL 4-pin Peripheral power cable,

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

This type of power cable is used on a Floppy Drive, or a Card Reader.
Not a Harddrive, or Optical Drive. (CD/DVD drive)

The Standard 4-pin Peripheral power cable, is used on an IDE (PATA) harddrive, or optical drive,

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

Rounder corners on the Top of the plug connector.
Only plugs in, in one direction.

Owner's Manual > Page 109 -
Power Supply DC Connector Pin Assignments

P1 = 24-pin ATX main power cable,

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

P2 shown above - 4-pin ATX +12 Volt power cable

P3, P5, and P6 are SATA power cables,

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

If you have a SATA optical drive (CD/DVD drive), the above is the power cable used.

Uses a SATA data cable,

http://en.wikipedia.org/wiki/File:SATA_ports.jpg

SATA data cable connector on motherboard, is shown below the SATA data cable.

NOTE*
Color does NOT matter

For additional questions please post in a Comment.

Regards,
joecoolvette

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Nothing works on control panel except control locked sensor light. The buttons were working fine then I went to add more drying time and the buttons do not light up or work.


From the details of your symptom you're indicating a possible intermittent loose connection between the user interface (touch panel) and the machine control board or the voltage supply to machine control board at P1 connector.

Disconnect the power cord from the power source.

  • Disconnect P3 and P4 connectors from the machine control board and then reconnect them.
  • Disconnect P1 connector and then reinstall the P1 connector and then recheck operation.

If the wires are good then you will need to replace the control board on your unit.
Here is a link to the part.


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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,

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

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.

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

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)

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

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.

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

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,

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

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,

http://www.smpspowersupply.com/connectors-pinouts.html

Lastly Dell Support > Optiplex GX260 > Service Manual,

http://support.dell.com/support/edocs/systems/opgx260/en/sm/index.htm

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.

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The location of the stand offs (where the screw holes are) may have to be changed. P4 boards have 20 pin or 24 pin power connectors so the appropriate power supply will need to be ordered. If you are running a lot of peripherals a 450w ps at least.

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then you have to order the supported processor/heatsink and fan/thermal grease/supported Ram etc.

I've been doing this for years so i probably left out a lot.

Lately because of costs I've resorted to backward building.
I decided since DDR2 is cheap, find a board that supports that ram in a processor socket I want to use (socket 478-775) etc.

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