On 8/27/07, Paul Erkens <pjealt_at_xs4all.nl> wrote:
>
> Hi list,
>
> One of my friends owns an Iriver h340 unit. Today, I installed rockbox on
> it which is fine, but here's a question.
>
> At the bottom panel of the player, which is exactly the opposite panel
> that the connectors for remote and head phones go into, there seem to be 2
> distinct usb plug holes. They are said to be labeled: usb 1.1, and the
> other is usb2. What is the difference between these 2 connectors?
>
> I understand the difference in usb 1.1 and usb2.0. 1.1 works at a bitrate
> of about 12 megabits per second, while usb 2.0 works at 480 megabit. But
> normally, one physical connector, if capable of running usb2.0, supports
> both usb standards. So why do we need a separate 1.1 and another 2.0 usb
> connector? Is there any difference in usage? Do I charge using one of them,
> and connect to the pc using the other? It sounds like a redundant design
> thing.
>
> The unit is not mine and we don't have the manual that's why I'm asking.
>
> Paul.
>

Hi Paul,

The port closer to the left is for USB-OTG (USB On-The-Go) support. The port
on the right is the main data port.

Rockbox doesn't make use of the USB-OTG port currently, so you can ignore it
for now.

Rob
(Rockbox user since 12/28/06; running on a 5.5G iPod video, 30GB, and Archos
Jukebox Recorder 20)

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