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I need power cable - Avia DHT620 System

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Posted on Mar 20, 2011


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What cords are needed to connect my emachines windows 7 desktop computer?

  1. CPU Power Cord
  2. Monitor Power Cord
  3. Monitor video cable
  4. Mouse w/cable (unless wireless)
  5. Keyboard with cable (unless wireless)
  6. Network cable with 8P8C connectors (unless wireless)
  7. Speaker audio cable (unless internal or no speakers)
  8. Speaker power cable (unless CPU powered or no speakers)

Oct 22, 2015 | eMachines Computers & Internet

1 Answer

DX4820 power supply

To my knowledge, the Power Supply used is just the common ATX form factor design.

Approximately 6 Inches Wide, 5-1/2 Inches Long, and 3-1/2 Inches Tall.

Needs these power cables;

A) 24-pin ATX main power cable
Newer power supply's come with a 20 + 4-pin ATX main power cable.

That is so the power supply can be used on a motherboard, that needs a 20-pin, OR a 24-pin ATX main power cable.

B) 4-pin ATX +12 Volt power cable.
Often referred to as an ATX12V power cable.

[Note color of power cable connectors does NOT matter ]

Note the Lock on the side of the power cable's connector, and matching Tab on the motherboard connector.
The 20 + 4-pin ATX main power cable, and matching motherboard connector; has this type of Lock/Tab also.

C) Needs at least 2 SATA power cables.
The Harddrive is a SATA unit, and I believe the optical drive (CD/DVD drive) is too.

Often has a Lock on the connector. Press to release when installing, or removing.

D) Should have at least two 4-pin (Standard) Peripheral power cables.
Misnomered as 'Molex',

E) Needs one 4-pin (Small) Peripheral power cable, for the Card Reader.

Also needs 300 Watts.
A Power Supply like this one would work,

For additional questions please post in a Comment.

Apr 02, 2013 | Gateway mb.u1909.002 - Dx4820-05h System...

1 Answer

Gateway dx4822-01 power supply

Gateway DX4822 Desktop PC,

Just a regular Ol' ATX power supply. Rated at a maximum wattage rating of 300 to 525 Watts. Two different power supply options offered.

Power Supply case size is;
6 Inches Wide, by 5-1/2 Inches Long, by 3-1/4 Inches Tall. (152.4mm Wide, by 139.7mm Long, by 82.55mm Tall )

Has the following power cables;

A) 1 -> 24-pin ATX main power cable,

[ NOTE* Color of connector on power cable, OR motherboard, does NOT matter.

Proper connector, proper power cable, DOES matter; connector color does not matter ]

B) 1 -> 4-pin ATX +12 Volt power cable,

{ Power to the motherboard, and all components connected to it }

C) 2 or more -> SATA power cables,

{ Power to a SATA harddrive, and/or power to SATA optical drive/s.
(CD/DVD drive) Or power for an upgrade in the future, for a SATA optical drive }

D) 3 or more -> Standard 4-pin Peripheral power cables,

{ Power for an IDE (PATA) harddrive, or drives. Also power for IDE (PATA) optical drive/s. Plus power in some instances, for computer case fans }

E) Two or more Small 4-pin Peripheral power cables,

{ Listed as a Floppy Drive power cable. Back in the day when the article was written, such was true.
It can still be used for a Floppy Drive, but is more used now as a power cable for a;
1) Card Reader.
2) Computer case fans (IF needed }

It's name is Small 4-pin Peripheral power cable. It is smaller than it's larger cousin, the Standard 4-pin Peripheral power cable.

Also has smaller gauge of wiring. This means it cannot carry the same amperage, as the standard 4-pin Peripheral power cable.

I would recommend this,

A) 1 -> 20 + 4-pin ATX main power cable.
Can be used as a 20-pin ATX main power cable, or a 24-pin ATX main power cable, which is what you need.

B) 1 -> 4-pin ATX +12 Volt power cable.

C) 6 -> SATA power cables

D) 4 -> Standard 4-pin Peripheral power cables

E) 1 -> Small 4-pin Peripheral power cables

F) 1 -> 6-pin PCI Express power cable

G) 1 -> 6/8-pin PCI Express power cable.

In the future, (Or now if you have one), you can upgrade to a better graphics card, that needs an additional power cable, IF you wish.
The 6-pin PCI Express power cable.

You also have a 6-pin or 8-pin PCI Express power cable.
(6/8-pin PCI Express power cable)

All the pins can be used together, and make an 8-pin PCI Express power cable, for a very powerful graphics card that requires this cable.

Just added bonuses with today's modern power supply's.

For additional questions please post in a Comment.

Jul 04, 2012 | Gateway DX4822-01 Power Supply 575 Watt...

1 Answer

Atx motherboard wiring diagram

For the power cables from the Power Supply? Or Power Supply, and Front Panel header on the motherboard?

For both of these you need to state the computer manufacturer name, and Model Number.
Post back in a Comment.

If you just wish a generic, one-size-fits-all explanation;

A) 20 or 24-pin ATX main power cable.

The older computers use a 20-pin ATX main power cable. As computers needed more power to the motherboard, the 24-pin ATX main power cable was brought out,

Scroll the page down for info on the 24-pin ATX main power cable.

[ Much older motherboards (AT) used two main power cables. { In the link - Original PC main power cables} ]

B) 4-pin ATX +12 Volt power cable.
Was brought out because Processors needed more power, than the 24-pin ATX main power cable feeding the motherboard, could deliver.

Power for the Processor,

C) 4-pin standard Peripheral power cable
Commonly misnomered as 'Molex'.

Molex was a model name given by the first manufacturer, of this design of power cable connector.
The name stuck. Kind of like referring to an adjustable open-end wrench as a Crescent wrench.

It is also referred to as a 4-pin Standard Peripheral power cable, because there are two styles of 4-pin Peripheral power cables.

4-pin Standard Peripheral power cable,

Generally used for IDE (PATA) harddrives, and IDE optical drives.

4-pin Small Peripheral power cable,

Older computers used it for power to the Floppy Drive. It's generally used now to provide power for a Card Reader.

Note that both types of connectors use the same power wires, and 2 ground wires.
Yellow is 12 Volts
Red is 5 Volts
Black is Ground

[ Also, in the ATX main power cable:
Orange is 3.3 Volts, the Green wire is the Soft Power On wire. Abbreviated as PS_ON.

Power Supply plugged into power, the Soft Power On wire is briefly touched to ANY Ground wire. This is bypassing the Power On switch.
If the computer (Power Supply) comes on, you have a bad Power On switch.
IF the computer (Power Supply) does NOT come on, you have a bad Power Supply ]

(ALL Black wires are Ground wires. They all lead back to one central Ground point.
ALL power wires lead back to one point in the power supply, for EACH power wire.

The 12 Volt power wires, (Yellow), all lead back to one point in the Power Supply.
This is the 12 Volt power rail.

The 5 Volt power wires, (Red), all lead back to one point in the Power Supply.
This is the 5 Volt power rail.

The 3.3 Volt power wires, (Orange), all lead back to one point in the Power Supply.
This is the 3.3 Volt power rail ]

D) SATA power cable
15-pin power cable for SATA harddrives, and SATA optical drives,

[ The smaller 7-pin SATA connector is the interface cable, or data cable.

IF, you have a SATA harddrive that has a provision for a SATA power cable, AND a 4-pin standard Peripheral power cable, ONLY use the SATA power cable.

It will burn out the harddrive if you use both. It may not do it right away, but eventually it will.
I have had people state over the years, that they were using both power cables. Came back two months later to tell me their harddrives had burned out ]

More to follow in a Comment.


Sep 30, 2011 | Computers & Internet

2 Answers

I bought a 1T 7200 as a second drive. I was sold a sata cable only do i need a power cable also?

All SATA drives need a signal cable and a power cable, but usually these cables already exist inside your computer waiting for you to use provided that your motherboard allows for an additional drive.

Mar 18, 2011 | Seagate Barracuda 7200.10 ST380815AS 80 GB...

4 Answers

I need a power cord for a Tournament Master HR Bottom Line fish locator. Where can I find this cord?

Do you still need the power cable? I have a new unopened power cable.


Feb 10, 2011 | Boating

1 Answer

Is that any specified smps to be used for mother board

Depends on the age of the motherboard.

To clarify;

When Switched-Mode Power Supply's were first made for personal computers, for the main power cable they used two of them.
This was the AT power supply.

The next version of the SMPS used a single main power cable, the ATX power supply.

As personal computers increased in Processor power, and graphics power, it was found that more power to the motherboard was needed. The ATX main power cable was increased from 20-pin to 24-pin, to handle the extra load,

A lot of motherboards also receive extra power through a 4-pin ATX +12 Volt power cable,

This power cable is used for power to the Processor.

Power Supply's (SMPS) have increased in power over the years to keep up with the demand for power.
They have also increased the number, and type of power cables used.

Some now have an extra 6-pin PCI Express power cable for added power to a graphics card, or two 6-pin PCI Express power cables.

Some SMPS's have an 8-pin PCI Express power cable for added power to a graphics card.

If an SMPS has an 8-pin EPS +12 Volt power cable, it is used for added power to the motherboard, for the Processor.

If your concern is how much power can your motherboard handle, know this;

A computer ONLY uses the power it needs, and NO more.

If you had a 10,000 Watt power supply, and the computer only needs 100 Watts, the computer only uses 100 Watts. (10,000 Watts is an exaggeration)

Do you know the motherboard's name, and Model Number?
State in a Comment, and I should be able to tell you what power cables it needs, and give examples of an SMPS that will work.


Nov 06, 2010 | Computers & Internet

1 Answer

How can i make the back of the computer light on? when i plug in the wire for the computer to work it flickers when the wire is out but when i plug the wire in the light stays completely off

The Power Supply in the computer is bad. This is no big deal. You can replace it.

This is Gateway Support, and the main page for the Gateway 505GR Desktop PC,

Left-click on Components.

Scroll down to the heading Power Supplies.

Left-click on - 102015 - 300 watt power supply.

It's just a common ATX style power supply, that is found in over 90 percent of personal computers. Readily available everywhere.

This is an example of an affordable replacement. It is not advertising for said website, nor power supply manufacturer.

What you need to look for in a replacement power supply for your computer.

1) Reliability
2) Correct power cables
3) Correct amount of power cables
4) Correct form factor. (Size of power supply case, and shape of case, in this instance)

2) & 3)
You need the following power cables, and these amounts.

A) (1) 24-pin ATX main power cable
[Main power cable to motherboard]

B) (2) 4-pin Peripheral power cables
[Power for the two optical drives]

C) (1) 4-pin ATX +12 Volt power cable
[Connects to the motherboard.
Power for the Pentium 4 processor]

D) (1) SATA power cable
[Power for the SATA harddrive]

The above power supply in the link has the correct power cables, and more than the correct amount.

Scrolling down the page you will come to the heading - Detailed Features
Here you will see,
A) 20 + 4 pin The two power cables are used together, to equal a 24-pin main power cable

B) 8-pin. Not needed in your case, unless you wish to install a graphics card that uses this power cable.
Just tie this cable up out of the way.

[You do have a PCI-Express x16 slot on the motherboard, which can be used for a PCI-Express graphics card]

C) P4 MB - Stands for Pentium 4 MotherBoard
This is a 4-pin ATX +12 Volt power cable

Comes with two SATA power cables. You only need one for your SATA harddrive. Tie the unused one up out of the way.

E) Peripheral
Comes with four Peripheral power cables. You only need two for your optical drives. Tie up the unused two.

For a Floppy Drive. Not needed. Tie up out of the way.

Also not needed unless someday you install a graphics card that needs this power cable.

Will add a link, to photos and descriptions of the various power cables listed above, that are needed, in additional comments.

Basic how to replace a computer power supply.

Your body carries Static electricity. Movements of your body in your clothes, walking across a carpeted floor, are but two ways static electricity is generated.

Static will fry out (Short Circuit) the components inside a computer.
The preferred method is to buy, and wear an ESD wrist strap as shown in the video.
However you can use another method.

Working on a table, computer unplugged from power, computer case open, simply Touch the metal frame of the open computer case.

Should you get up, and walk away when in the middle of working on your computer, remember to to touch the metal frame again upon your return.

Should you have ANY questions regarding replacing your power supply, please state so in a Comment.

Should you wish to test your power supply, also state so in a Comment.
[Will require a multimeter, or a power supply tester]

May 03, 2010 | Gateway 505GR PC Desktop

1 Answer

The power does not come on

Would request you to try some of undermentioned steps, this would help you identify what is the main issue:

  1. Try different power source or outlet. Make sure that the power socket is working properly.
  2. Unplug all cables from back of modem & plug only power cable. If power light does not come on, then you might need to get modem or power adapter changed.
  3. If power light comes on, then plug sat in & out cable, if light goes off then issue could be with these cables & you might need to call your ISP provider to send installer & look after the dish.
  4. If power light is still on, then plug lan cable & if light goes off then you need to change LAN Cable.

Oct 20, 2009 | 2wire Computers & Internet

2 Answers

Laptop wont recognize USB connection to turn printer on

Yes, you need a separate power cord, as this printer needs more power than a USB cable can provide. It should have come with this power cord, but if it didn't you will have to contact the store you purchased it from, or Canon directly, for the cable. If it only has 2 prongs, it's not using a standard PC power cable, so you need the specific one made for your printer.

Aug 28, 2007 | Canon PIXMA MP160 All-In-One InkJet...

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