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Understanding the Power Supply Diagram for the EPS 12V 8PIN ATX Plug

david8213 7746 17
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 16286065
    david8213
    Level 19  
    The power supply diagram of the EPS 12V 8PIN socket is as in the figure below, i.e. 4x12V / 4xGND
    They also sell adapters if someone does not have a power supply with such a cable.

    The molex plug is 12V / GND / GND / 5V

    So the adapter sold gives the motherboard 2x12V and 2x 5V, not 4x12V.
    Attachments:
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  • #2 16286092
    Kasek21
    Level 43  
    What is this MOBO and CPU? In most cases 4pin is enough!
  • #3 16286104
    david8213
    Level 19  
    Intel Quad Q9550 4x2.8Ghz
    Geforce 9800GT
    4Gb RAM
    Gigabyte GA EP45C-DS3
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  • #5 16286115
    david8213
    Level 19  
    OKAY.
    And as for the answer from the first post if someone knew something ...?
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  • #7 16286187
    david8213
    Level 19  
    well the pins match ... so what are they selling it for?
  • #8 16286254
    Kasek21
    Level 43  
    david8213 wrote:
    so what are they selling it for ???

    Because someone is buying? :)
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  • #9 16286278
    david8213
    Level 19  
    All in all, you can remake it :) ... only re-plug the pins: p (as long as the power of the power supply is not too weak: p)
  • #10 16286358
    Kasek21
    Level 43  
    david8213 wrote:
    All in all, you can remake it :)

    you can; you can do it yourself - but what for?
  • #11 16286476
    sylweksylwina
    Moderator of Computers service  
    I started to wonder why this adapter is bad ... Seriously, someone connected the 5V molex to the CPU power .... But it has no right to work. There are probably good adapters in circulation, but in this case it will be unnecessary, unless there is some extreme OC. But it's also not on this album.
  • #12 16286497
    david8213
    Level 19  
    I am also surprised what they sell such a cable for ...
  • #13 16287173
    310artur
    Level 43  
    Maybe they also sell motherboards and power supplies. This adapter has the potential to kill both.
    Today everything that someone is ready to buy is selling. I have even seen passive DVI-D - D-SUB adapters - they do not work and do not work, but they are available for purchase.
  • #14 16287447
    Dra98
    Moderator of Computers service  
    david8213 wrote:
    As for the answer from the first post, if someone knew something

    There should be something like this:
    Understanding the Power Supply Diagram for the EPS 12V 8PIN ATX Plug
    It is safer to use a 4 pin P4 to 8 pin adapter, they are easily accessible.
  • #15 16288509
    310artur
    Level 43  
    The best logically speaking is this:
    Understanding the Power Supply Diagram for the EPS 12V 8PIN ATX Plug
    It fulfills its role both in theory and in practice. Ideally, as if it had two MOLEX connectors, but I have never seen one like that. There are at least 3 12V lines here.
  • #16 16288522
    Kasek21
    Level 43  
    310artur wrote:
    Ideally, as if it had two MOLEX connectors, but I have never seen one like that.

    Are available.

    For now, it's such a problem search - 4pin alone is enough!
  • #17 16288745
    david8213
    Level 19  
    Dra98 wrote:
    david8213 wrote:
    As for the answer from the first post, if someone knew something

    There should be something like this:
    Understanding the Power Supply Diagram for the EPS 12V 8PIN ATX Plug
    It is safer to use a 4 pin P4 to 8 pin adapter, they are easily accessible.


    Just
  • #18 16288760
    Kasek21
    Level 43  
    PS. This is one more thing to be careful because there is a difference between ATX 8pin CPUs if you buy PCI-E 8pin :)
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Topic summary

The discussion revolves around the EPS 12V 8PIN ATX plug and the implications of using an adapter that converts a 4-pin Molex connector to provide power to the motherboard. Users express concerns about the adequacy of the adapter, noting that it supplies 2x12V and 2x5V instead of the required 4x12V. Some participants suggest that a 4-pin connection is often sufficient for certain setups, particularly with the Intel Quad Q9550 CPU and Geforce 9800GT GPU. There are warnings about the potential dangers of using substandard adapters, which could damage components. Recommendations include using a proper 4-pin to 8-pin adapter for safety and efficiency, while also highlighting the importance of distinguishing between ATX 8-pin and PCI-E 8-pin connectors.
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