Problem with an external usb HD - slow usb

Roberto Ragusa mail at robertoragusa.it
Tue Mar 9 11:53:40 UTC 2010


Luigi Castro Cardeles wrote:
> 2010/3/9 Mikkel <mikkel at infinity-ltd.com>:

>> slow speed
>> high speed
>> full speed

> so:
> low-speed - uhci
> full-speed - ohci
> high-speed - ehci

When the USB group created the 2.0 specifications it made
a good effort to confuse "good speed" (480Mbit/s) with
"awful speed" (12Mbit/s) devices, so to manage to sell
all the ancient stuff by putting a USB2.0 label on them.

This thread clearly demonstrates how successful they were.
:-(

-- 
   Roberto Ragusa    mail at robertoragusa.it


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