[Thinkpad] Anybody know? Is R30 USB 1 or 1.1?

Rob Bell RobDBell at mailworks.org
Sat Nov 3 22:35:58 CDT 2007


How about plugging a USB 2.0 device into the system?  If the little 
bubble pops up saying "this device can perform better if you plug it 
into a USB 2.0 port" then you know the port is not 2.0.  Unscientific 
test, but practical.

Rob


Scott Matthews wrote:

> It turns out that it might not actually apply:
> http://www.usbman.com/Guides/USB_version1.0_version1.1.htm
> 
> I've been asking becaue on Wikipedia, I read that 1.0 was 1/10 the speed of
> 1.1 -- but it now seems that they're both the same speed. And it also seems
> that from the host side, 1.0 and 1.1 are effectively the same.
> 
> I can also tell you that I've now had a chance to try a USB thumb drive in
> the X20, and it does seem to transfer at about 1MB/s (what I though of as
> the 1.1 speed).
> 
> So, truth is, I'm not quite sure what I have, but it does seem to be capable
> of the faster (1.0 or 1.1) speed.
> 
> -Scott


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