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Discussion Starter · #1 ·
In conjunction with my moBo with Onboard dc-dc, I'm using a picoPSU to power my graphics card and need a way to control power on and off of the second psu. I know about the relay method, but would prefer not to have one more extra part in my miniature build.

I'm hoping to use the Power_on connector on the psu. All I need is a connector on my motherboard that only goes to ground when the machine is powered on. My investigations indicate that there is t such a thing, but maybe there is. My mobo is a dq77kb.

Thanks!
 

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Some more information required- a schematic of what you've got wired in to what would be a good start. You're using a DC-DC converter, are you therefore starting off with a battery?

What's wrong with a relay- it doesn't have to be inside your box
 
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