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Originally Posted by Sven
Quote:
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Originally Posted by JonnoB
It is not a cable problem... it is a problem with the USB port not carrying full power.
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I'm not sure it is a matter of it not carrying full power. Isn't the power spec for a USB port 500ma? That is .5A. What does a PPC with backlight on, playing MP3s at full blast and tryng to charge a 10% battery draw? There is probably a reason the chargers are rated about 2A.
I think it is more that some laptop manufacturers are giving more than required. |
Some have 'shared' power... so if you are using a webcam, scanner, modem, or something else that is not self-powered but draws significant juice, you will often find problems with subsequent devices. If however, you plug in a fall-over hub that is per-port powered, all of the devices work off the same master that failed. Anyway, there is really nothing that can be done from the cable manufacturer standpoint.