Typically windows only likes one sound "card" at a time. Try disabling your onboard in the bios. Also, go into the windows sound properties and verify that the playback volume settings are not muted and that they are raised to 100%
He is probably measuring between the + and - 5 volt pins and between the + and - 12 V pins. That would easily explain the doubling. OP you should be measuring between a colored wire and the ground pin.
I did read what you posted and you are wrong. Look on the bottom of the datasheet, they list multiple pin configurations. The electrical characteristics are specified on a per pin basis which is stated in the * on the bottom of the page.
LOL, you think a plastic contact has "Electrical Characteristics"???
Voltage: 600V*
Current: 13.5A*
Contact Resistance: 3.5mOhm
And to answer your previous voltage drop point...there you have it...the contact has a max resistance of 3.5mOhm * 13.5A = .04725V Max Voltage drop
I will save you some time. The wiring on the connectors of your typical power supply are 16 AWG. These are rating at 22A max current capability.
http://www.powerstream.com/Wire_Size.htm
There are 2 12V connections on a PCI-E connector. This allows a max safe current draw of 44A from a 1...
The modular connectors of a power supply are more than capable of handling the current draw. If they were not, they would get very warm and possibly melt/fail.
Again, I would LOVE to see proof that manufacturers are using contacts that are underrated for their current draw.
Nice math. What about a video card which has significant current draw? Why would an engineer design as card with a power connector in that situation if it is an issue? They even include SPLITTERS sometimes with the graphics card. There is another connection that should be "unacceptable" to you.
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