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Motherboard Power Requirements

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I am trying to replace the power supply in my desktop and need the MB power specifications. Many of the new PSU's have less -5v and -12v supply than the old PSU I am replacing. In showing my lack of education, what are those voltages for and how necessary is it to get close to those?

Also, anyone know where I can find the specs for my board? I know the peripheral and video card requirements within a range, but don't know what the others are.

The Motherboard is an ASUS A8V Deluxe for an AMD 64 Socket 939 CPU
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Neil Jones

Neil Jones

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You don't need to worry about them.
Any decent power supply that's ATX standard will be powerful enough to work the main board as they're all wired the same (assuming, that is, that the board is a standard board and not a butchered Dell job). Your A8V will talk to any power supply you give it providing it works and has enough juice.
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