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Testing USB ports using an old USB cable and a multimeter? - Page 2

post #11 of 14
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After testing the voltage on all the ports (figured I'd check all the headers, they range anywhere from 4.96-4.98 depending on the header i'm attached to.

Interestingly enough (atleast to me) they all show the same voltage when the computer is shut off as well.
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post #12 of 14
That just means that all the ports are powered from your PSU standby +5V power. It doesn't look like you have the option to change this on the motherboard, but your PSU (if it's the MkII) can handle 6A on the +5VSB, which should be more than capable enough. How many ports do you have?

L x
post #13 of 14
Thread Starter 
Quote:
Originally Posted by latelesley View Post

That just means that all the ports are powered from your PSU standby +5V power. It doesn't look like you have the option to change this on the motherboard, but your PSU (if it's the MkII) can handle 6A on the +5VSB, which should be more than capable enough. How many ports do you have?
L x

Like... 14 I think. I never use more than 4 at once though.
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Beast of Burden
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post #14 of 14
14?????? Who the hell has 14 USB's??? LMAO!

Well even if you loaded up the ports, I think you'd be good for 11 of them running full whack, which probably in reality will never happen. (thats giving a 500mA overhead for safety, and assuming USB2.0 at 500mA a port) biggrin.gif

I'm sure you'll be fine. smile.gif

L x
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