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  1. #1
    Senior Moment Tony's Avatar
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    Default EATX to ATX adapter wanted

    The continuing story of my fried PC rebuild.
    I'm trying to see if my old mobo will still work. It has an old 4-pin ATX connector. The new power supply has a new 8-pin EATX connector. I've been trying to find an adapter cable, with zero success. None of the usual sources (PBTech, Mighty Ape, Jaycar etc) have one.
    Any suggestions?
    Question - if I were to get an ATX extender, i.e. 4 at each end could I plug one end into part of the 8-pin EATX on the new power supply and the other into the old mobo?
    Any other workarounds? I only want to be able to see of the old mobo will POST.
    We are all but temporary files on the great HDD of life.

  2. #2
    Computer Technician wainuitech's Avatar
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    Default Re: EATX to ATX adapter wanted

    Have a close look at the Plug, some split to 4 x 4 Otherwise just look at the Socket / Pins, they will be either Square or Chamfered Edges, they will always be in the same order so just use the 4 that line up and push the plug in, leaving the 4 remaining hanging in the breeze The locking Clip will always be on the same side.
    BTW the ATX Sockets is usually the Main power plug not the 4/8 pins.
    Last edited by wainuitech; 29-07-2021 at 04:31 PM.

  3. #3
    Senior Moment Tony's Avatar
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    Default Re: EATX to ATX adapter wanted

    I'd thought about that, but look at the picture. There is a large capacitor in the way of doing the overhang thing. I'm not sure what you mean by the last sentence.

    Click image for larger version. 

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    We are all but temporary files on the great HDD of life.

  4. #4
    Computer Technician wainuitech's Avatar
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    Default Re: EATX to ATX adapter wanted

    Quote Originally Posted by Tony View Post
    I'd thought about that, but look at the picture. There is a large capacitor in the way of doing the overhang thing. I'm not sure what you mean by the last sentence.

    Click image for larger version. 

Name:	ATX connector.jpg 
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    The last Sentence -- Its meaning when stating ATX Connector, its usually the 24/20 Pin plug. If you wanted a 20-24 I'd gladly send you some I have a bag with about 20 of them, all new. The Plug you want is CPU Motherboard Power Supply Cable. 8pin Female to 4 Pin Male Basically the Opposite plugs ( Male/Female)
    to this.

    Click image for larger version. 

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  5. #5
    Senior Moment Tony's Avatar
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    Default Re: EATX to ATX adapter wanted

    Quote Originally Posted by wainuitech View Post
    The last Sentence -- Its meaning when stating ATX Connector, its usually the 24/20 Pin plug. If you wanted a 20-24 I'd gladly send you some I have a bag with about 20 of them, all new. The Plug you want is CPU Motherboard Power Supply Cable. 8pin Female to 4 Pin Male Basically the Opposite plugs ( Male/Female)
    to this.

    Click image for larger version. 

Name:	Plug.jpg 
Views:	32 
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ID:	11024
    Right, I understand. Your pic shows the opposite of what I need - doesn't it?
    We are all but temporary files on the great HDD of life.

  6. #6
    Senior Moment Tony's Avatar
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    Default Re: EATX to ATX adapter wanted

    Well my Ali Express order from 29 July arrived today. I'd basically given up on it as I'd never had any response to emails, but waddya know.
    Of course I don't actually need it now, but it can add to my box full of semi-useless junk.
    I notice that the item on the Ali Express webpage is now reduced in price to 1c.
    We are all but temporary files on the great HDD of life.

  7. #7
    Senior Member 1101's Avatar
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    Default Re: EATX to ATX adapter wanted

    Quote Originally Posted by Tony View Post
    I'd thought about that, but look at the picture. There is a large capacitor in the way of doing the overhang thing. I'm not sure what you mean by the last sentence.

    Click image for larger version. 

Name:	ATX connector.jpg 
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ID:	11023
    Every power supply Ive seen allows an 8 pin plug to be split in 2. The 2 halves just unclip.
    That cap thing in the pic is irrelevant .
    Split the plug in 2 (unclip) , you now have a correct 4 pin plug .

    There are often other 6pin connectors on the Power supply, they are for video cards not mb .
    You may be looking at the wrong lead ?
    Last edited by 1101; 30-07-2021 at 09:14 AM.

  8. #8
    Senior Moment Tony's Avatar
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    Default Re: EATX to ATX adapter wanted

    Quote Originally Posted by 1101 View Post
    Every power supply Ive seen allows an 8 pin plug to be split in 2. The 2 halves just unclip.
    That cap thing in the pic is irrelevant .
    Split the plug in 2 (unclip) , you now have a correct 4 pin plug .

    There are often other 6pin connectors on the Power supply, they are for video cards not mb .
    You may be looking at the wrong lead ?
    Bingo! I did not know that, and yes it does split, although that is not obvious that it can. So I now have connected it all up and the potentially fried mobo does POST, which was the whole point of the exercise. So my Ali Express purchase is now redundant, but I suspect I won't be able to cancel it.

    That cap thing in the pic is irrelevant
    It is only irrelevant if you can't split the plug
    We are all but temporary files on the great HDD of life.

  9. #9
    Senior Moment Tony's Avatar
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    Default Re: EATX to ATX adapter wanted

    Whoops! That should be "It is only irrelevant if you can split the plug"
    We are all but temporary files on the great HDD of life.

  10. #10
    Computer Technician wainuitech's Avatar
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    Default Re: EATX to ATX adapter wanted

    Quote Originally Posted by Tony View Post
    Bingo! I did not know that, and yes it does split, although that is not obvious that it can. So I now have connected it all up and the potentially fried mobo does POST, which was the whole point of the exercise. So my Ali Express purchase is now redundant, but I suspect I won't be able to cancel it.

    You can cancel your Aliexpress order. As long as you are quick enough. Some vendors dont send for a few days while others will send the same day.

    From their site:

    https://service.aliexpress.com/page/...65&language=en
    Last edited by wainuitech; 30-07-2021 at 11:00 AM.

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