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Thread: ATX is outdated garbage, and needs a modern replacement

  1. #21
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    Quote Originally Posted by Stefan Payne View Post
    That is a 12V Only system (maybe 5VSB, though not sure)
    My HP Compaq 8000 Elite Convertible Minitower PC has a 12V power supply with 12VSB
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    Quote Originally Posted by ashiekh View Post
    My HP Compaq 8000 Elite Convertible Minitower PC has a 12V power supply with 12VSB
    Which means it's not ATX.

    What's the title of this thread?

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    "ATX is outdated garbage, and needs a modern replacement"

    12V only is a possible modern replacement to ATX
    Last edited by ashiekh; 02-12-2019 at 10:40 AM.

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    Quote Originally Posted by ashiekh View Post
    "ATX is outdated garbage, and needs a modern replacement"

    12V only is a possible modern replacement to ATX
    +12VSB instead of +5VSB would cause half the industry to have to go back to the drawing board.

    Which isn't a horrible idea... but it's not a practical one. You still need some means of backwards compatibility (other than initially supplying both +12VSB and +5VSB simultaneously which creates more problems than it solves).

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    In my opinion backward compatibility would terminate any attempt to have a single voltage supply.

    Just keep selling the old power supply design for as long as there is demand.
    Last edited by ashiekh; 02-12-2019 at 04:10 PM.

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    Quote Originally Posted by ashiekh View Post
    In my opinion backward compatibility would terminate any attempt to have a single voltage supply.

    Just keep selling the old power supply design for as long as there is demand.
    I disagree.

    Separate SB voltage can be a given because it's a rail that operates independently of the main output as it is live during standby while other rails aren't.

    You can adapt a multiple output PSU to a single output by simply not using the additional +3.3 and +5 voltages. There's backwards compatibility right ther. Just use an adapter to adapt the connectors.

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    A single voltage supply is cheaper; only need to generate and regulate one voltage and have only one set of secondary capacitors.

    We can agree to differ.

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    Quote Originally Posted by ashiekh View Post
    A single voltage supply is cheaper; only need to generate and regulate one voltage and have only one set of secondary capacitors.

    We can agree to differ.
    I'm sorry.. I don't think we're differing here.... Maybe I'm just not making myself clear.

    When I say "I disagree", I mean that I disagree that backwards compatibility would negate implementation of single output voltage.

    I agree that a single voltage power supply would be good (except for the standby voltage which is a separate rail regardless).

    The backwards compatibility I'm talking about is the ability to take a NEW MOTHERBOARD that only uses a single voltage output and still be able to use an older PSU with multiple output... just not using the multiple outputs.

    In this market, it's WAY more common for a user to buy a new motherboard every other year and still use the same power supply for the next 10.

    Not sure what you THINK I'm implying.

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    Well 12VSB could be a problem
    Last edited by ashiekh; 02-13-2019 at 03:41 PM.

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    5VSB isn't an issue.
    5V is needed anyway for Drives.

    3,3V is not and obsolete.

    5x5V on ATX is obsolete (2 are enough)
    4x3,3V is obsolete - none required.

    And PCIe Spec needs to be reworked as well - 6A 3,3V requirement needs to be removed.

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