Re: USB devices fail unnecessarily on unpowered hubs

From: Oliver Neukum
Date: Thu Jun 01 2006 - 11:52:31 EST


Am Donnerstag, 1. Juni 2006 17:09 schrieb linux-os (Dick Johnson):
> Many, most, perhaps all such devices don't take more power when they
> are "enabled". Everything is already running and sucking up maximum
> current when you plug it in! If the motherboard didn't smoke when

If they do, they are violating the spec. A device in the unconfigured (state 0)
state must not draw more than 100mA.

Regards
Oliver
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