USB Port Replicator

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Wed Jun 22 21:04:34 UTC 2005


On Wed, Jun 22, 2005 at 01:57:17PM -0400, Vince Fry wrote:
> I was actually thinking about this:
> http://www.targus.com/ca/product_details.asp?sku=ACP50CA

So the supported video mode is crap compared to what most modern laptops
use.  I also wonder what perforamnce hit you get from pumping that much
data through a usb port, given most systems are not that efficient at
usb transfers.

> I contacted Targus, but, unsurprisingly, they claim it only supports
> 'Doze.
> 
> Taavi, if I'm understanding you correctly, this would just act as a USB
> hub?

It is anything but a usb hub.

A usb hub converts one usb port to multiple usb ports and nothing else.
Now if you were ok with connecting a few ports, you could connect a usb
hub to your usb devices, so that all you had to connect to 'dock' would
be video and usb (and ethernet if you don't use wireless, I certainly
can not recommend using usb network devices).

If you really want a single connection, get a real dock for the laptop
(if one exists), since that just converts a high density connector on
the laptop to the real connectors on the back of the dock, and at least
on the simple ones you can just do this since it doesn't add features
and hence just works.  The more complex docking systems add drives and
expansion slots and such, which tend to require the system off when
docking, and I don't know if linux would like the concept of resuming
and seeing that level of hardware change.

Lennart Sorensen
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