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Gigabyte motherboard wont power or post

Recently changed power supplies that has 10 pins plus 4 pin connector. Could this be a possible reason why?

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Dear Sir Change the power related IC but your have no idea about the IC just send me a mother board we are Repair for this Mother Board Maximum cost 11.54 $ and Normal problem in 8.65 $ charge .......ok.

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Posted on Jul 14, 2009

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How to physically replace the power supply connector that is soldered to the motherboardon the right side of the memory modules


itis possible but you need to solder it on again without making a conection with other component so rather take it to the pro

May 11, 2013 | Gigabyte GA-890GPA-UD3H Socket AM3/ AMD...

1 Answer

New GA-990AX-UD3 motherboard will not boot


You really should take that Power Supply, and use it on grandma's computer.

The 8-pin EPS +12 Volt power cable was brought out, to provide more power To the motherboard AND processor.

http://www.playtool.com/pages/psuconnectors/connectors.html#eps8

The 4-pin ATX +12 Volt power cable has TWO yellow wires.
Yellow wires are 12 Volt wires. (And two Black ground wires)

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

The 8-pin EPS +12 Volt power cable has FOUR 12 Volt wires.

In the motherboard manual, does it say, "Yes Tom. Go ahead and use a 4-pin ATX +12 Volt power cable. We don't care. We just use an 8-pin EPS for fun."

[ This is an 8-pin PCI Express power cable. Completely different,

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress8 ]

The motherboard probably uses 150 Watts by itself.
No Ram Memory, no CPU, no fans, etc.

The CPU could use up to 125 Watts of power. Just depends on what AMD, socket AM3, processor you are using.

Now to graphics card's power;
The most Wattage a PCI-Express x16 slot can deliver is 75 Watts.

The most power a 6-pin PCI Express power cable can deliver is 75 Watts.
8-pin EPS +12 Volt power cable? 150 Watts.

When buying a Power Supply you should calculate all components needing power,

http://extreme.outervision.com/psucalculatorlite.jsp

,then buy a Power Supply that has AT LEAST 10 percent more power than needed. Easier on the Power Supply.
Also a computer will NOT use more power than it needs.

10,000 Watt power supply, (Exaggeration ), and the computer only needs about 100 Watts for surfing the internet?

Computer ONLY uses 100 Watts.

Due to the price, the above, and the availability, you should use a 500 Watt power supply at least.

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=899123&CatId=1079

http://www.amazon.com/StarTech-6in-Pin-Power-Adapter/dp/B002O21XHQ

Or use it on yours if it has enough Wattage.

Back in the day, the motherboard didn't need to supply that much power to components on it.
More powerful Processors, Ram Memory, and graphics cards, brought the power needed, up.

A 4-pin ATX +12 Volt power cable was added for the motherboard. Then 6-pin PCI Express power cable for graphics cards. Then the 8-pin PCI Express power cable for graphics cards. Lastly the 8-pin EPS +12 Volt power cable.

(Better make sure the Power Supply you have is good, if you wish to use the above power adapter cable. Nothing like having a Power Supply with a weak voltage power rail, and a new build, to pull your hair out on )

http://www.gigabyte.com/products/product-page.aspx?pid=3894#ov


Out of the motherboard manual Page 23,

"With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design.

Connect the power supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start.

To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption be used (500W or greater). If a power supply is used that does not provide the required power, the result can lead to an unstable or unbootable system."

For additional questions please post in a Comment.

Regards,
joecoolvette

Oct 25, 2012 | Gigabyte Technology GA-990FXA-UD3-...

1 Answer

What power supply connector will work with the ms8137c motherboard (aka, 20 + 4 pin)


Ahem, you just posted 20 + 4-pin.

That means it can be a 20-pin ATX main power cable, OR a 24-pin ATX main power cable.

Most power supply's now have a 20 + 4-pin power cable.

Use the 20-pin connector, or add the additional 4-pin connector, to make a 24-pin ATX main power cable.

Example.

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

In direct answer to your question, however, it uses a 20-pin ATX main power cable.

For additional questions post in a Comment.
Regards,
joecoolvette

Jun 17, 2012 | Matsonic MS8137C Motherboard

1 Answer

My power supply has a 4 pin connector to the mb,, but my gigabyte mb has 8, which 4 do I use?


The motherboard can support a 2x2 (4 pin) or 4x2 (8-pin) connector. The motherboard employs a foolproof design, as the socket on the motherboard is keyed to prevent you from installing the 2x2 in any position other than the correct one. The image below was extracted from page 24 of the manual.....you plug should be in pins 3,4,7,and 8.

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Jan 19, 2012 | Gigabyte GA-MA785GM-US2H Motherboard

1 Answer

I bought a computer from Tiger Direct. It has a Gigabyte MB. GA-M68Mt-D3P The diablotech PSU does not have a square 4 pin connector. My manual says the computer will not start without it connected. Is...


Good day..!!Since your motherboard required for the 4 pin of your power supply,yes its true it wouldnt work if its not connected.All you have to do is to buy for it power suuply cable,or change your power supply with 4 pin..thanks

Aug 16, 2011 | Diablotek (PSDA450) 450-Watt Power Supply

1 Answer

Dell case 4600 replaced mother board with gigabyte but front power wiring needs different connection plz show diagram


Pinout (Wiring diagram) for the GigaByte GA-8I865GVME motherboard's Front Panel header,

(Looks like a 1 but it is an 'Eye'. GA-8 i 865GVME ),
{The plastic front of your computer is the Front Panel.
The area of pins on the motherboard, that the Front Panel cables (Wires) connect to, is the Front Panel header }

;Motherboard Manual download page,

http://www.gigabyte.com/products/product-page.aspx?pid=1933&dl=1#manual

Look under the heading - English
Look across from English, and click on the country name nearest yours.

This is a PDF file. After you click on the server country it may take 30 seconds or more, to see the first page come up.
It may also take additional time for the file to fully download.
(Took approximately 30 seconds just now for me. Medium speed DSL connection)

At the top of the PDF file is the page number box. It is to the right of the Down Arrow.
Go to Page 6.

Processor to the top, Ram Memory slots to the right, the Front Panel header is at the bottom right corner.
(F_PANEL)

It is two rows of pins that are laid out horizontally. It is parallel to the bottom outside edge of the motherboard.

Go to Page 22.
F_PANEL (Front Panel Jumper)

The pins are numbered Even on the top, and Odd on the bottom.

Starting at the Left side of the motherboard going to the Right, for the TOP row of pins;

Pins 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20

Starting at the Left side of the motherboard going to the Right, for the BOTTOM row of pins;

Pins 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19

A) Pins 2 and 4 are for the Power On LED light. (On the computer case. Not on the motherboard)
(Pin 2 is for the Positive { + } wire.
If the LED light is dim, switch the wires around )

B) Pins 6 and 8 are for the Power On switch. (Plastic - Power On button assembly has the Power On switch inside it)

C) Pins 10 and 12 are not used. In fact there probably isn't any pins.

D) Pins 14, 16, 18, and 20 are used for an internal 'speaker'. The 'speaker' is used so you can hear any BIOS Error Codes. (The computers way of telling you something is wrong, and an area to look into for it)

E) Pins 1 and 3 are for the HarDDrive activity LED light.
The LED light that blinks when the harddrive is active in use.
(Pin 1 is for the Positive wire)

F) Pins 5 and 7 are for a Reset switch, IF USED.

G) Pin 9 is NC. Not Connected


To Add:
1) If the Dell Dimension 4600 power on LED light has 3 wires, it is a dual color LED.
Only use two of the wires, and one color.
(Follow the wires to the LED light. One is a Ground wire { - }, and the other two are positive wires for the dual colors of the LED )

2) The Front USB headers are on Page 24

Make sure your Power Supply has a 4-pin ATX +12 volt power cable. Plugs into the square connector on the motherboard, to the bottom Left corner of the Processor socket.
It is power for the Processor.

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

CAUTION!!

For a time period Dell was really @nal about being a Proprietary computer manufacturer.
This means they wanted THEIR parts used in THEIR computers.
I don't know if your Dimension 4600 falls into this category, or not.

They switched the pins around in the ATX main power cable connector, on the motherboard.
Go to Page 18.
Look at the connector that has 20 socket holes. (Two columns of 10 socket holes)

The Dell Dimension 4600 also has a 20-pin ATX main power cable connector, on the motherboard,

http://support.dell.com/support/edocs/systems/dim4600/en/4600i/sm/techov.htm#1138239

Scroll the page down a little, look at the illustration for the DC Power Connector P1
See how the power and color of the wires are labeled for each pin in the connector?

Orient the connector by the lock tab on the side of it. Now compare the color chart here for the wires in a standard 20-pin ATX main power cable,

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

A) Orange colored wires are 3.3 Volts
B) Red wires are 5 Volts
C) Yellow wires are 12 Volts
D) ALL Black wires are Ground wires
(ALL are DC voltage)

Guess what would happen if a 12 volt wire is connected to a pin that uses 3.3 Volts, or 5 Volts?
Yep, lets the 'Smoke' out of the motherboard.

Guess what would happen if a 3.3 , 5, or 12 volt wire is plugged into a pin that is a Ground wire?
Same thing. Will fry the motherboard. Possibly the Processor, Ram Memory, Harddrive, and so on, also.

Check before you plug in, and turn the computer on.

For additional questions, or to clarify anything I have stated, please post in a Comment.
(Believe upper right of your page. Our site is constantly undergoing changes)

Regards,
joecoolvette

Jul 18, 2011 | Gigabyte GA-8I865GVME Motherboard

1 Answer

My motherboard takes this: 1 x 8-pin ATX 12V power connector. My PSU (power supply) only has the 4-pin 12V power connector. Can someone please point me to a product that will convert the 4-pin to an...


Better than Amazon.com Andrew,

http://www.directron.com/ad202.html

Converts two 4-pin standard Peripheral power cables, (Molex) to one female 8-pin EPS +12 Volt power cable.

4-pin Peripheral +12 Volt power cable,

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

[ NOTE*
Designated a 4-pin Standard Peripheral power cable, because there is a 4-pin Small peripheral power cable ]

A) 8-pin EPS +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#eps8


B) Note the difference from an 8-pin PCI Express power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress8

{4-pin Small peripheral power cable,

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

Used on the older Floppy Drives, and also used on today's Card Readers in desktop computers }

Apr 16, 2011 | HP Computers & Internet

2 Answers

I've got a new Gigabyte Ga-M68Mt-D3 mobo paired with a cooler master 460 watt power supple. Cpu is Amd phenom II 3.2 ghz with 4 gig of DDR3 ram. I powered up the supply attached to my ATX power supply...


Most motherboards now have a 24-pin power supply connector. If you haven't already found a diagram showing the pinouts of the 20- and 24-pin power plugs, here's one borrowed from a handy site:

pgh_pa_guy_1.jpg

The two plugs are essentially the same, but the 24-pin version duplicates some voltages on the extra pins. The extra pins in the larger connector were meant to provide extra current paths for voltages that see heavy loads from newer processors and motherboard circuitry. Depending on how a motherboard is designed, it might work with a 20-pin plug connected (leaving pins 11, 12, 23 and 24 empty). But typically if the board has a 24-pin connector it needs the 24-pin power supply plug.

Most power supplies have a 20-pin plug with a separate 4-pin section that fastens to it for connection to a 24-pin mobo connector. It typically has one side designed to slide onto the end of the 20-pin plug, essentially turning it into the 24-pin version. This added plug does not have a retaining clamp on its side, so you can tell it from the the 4-pin CPU power plug. The wire colors are also different. For reference, here is the processor power plug, from the same website:

pgh_pa_guy_2.jpg
New motherboard specs call for the separate processor power connector for the same reason the extra pins were added to the power supply connector: to handle the high currents needed by increasingly faster CPUs.

When the motherboard has these connectors, you need to use them all to get everything working. Hope this helps. Thanks to smspowersupply.com for the diagrams, and thank you for using Fixya.

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Nov 19, 2010 | Computers & Internet

1 Answer

I change the power supply but i have a little problem. The new one on the ATX power connector have only 19 pin then 20 old one plus extra 4 pin for something else. The new power supply in Rosewill...


The extra 4 pins on the power supply's atx connector is for new motherboards that require 24pin power supplies. If your motherboard has a 20pin port, then only connect the 20pin portion of your power supply connector.

If your power supply has a 24pin fixed connector that can't be split into a 20+4pin configuration, and your motherboard doesn't have space to let the extra 4pins on the side, then you might want to consider returning the power supply and change it for one that can be used as a 20 or 24pin. Otherwise you will need to cut the extra 4pins apart.

Jan 05, 2009 | ASUS P4B533 Motherboard

1 Answer

System and Processor fans don't spin- anything else is working


Your description indicates your power supply may be faulty or there is a break somewhere in the 24 pin main ATX cable wiring.
Swap out the power supply. Make sure your PSU has a 24 pin ATX connector & (not a 20) pin & a 4 pin ATX_12v connector for the CPU.

Feb 17, 2008 | Gigabyte GA-M61P-S3 Motherboard

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