USB Speed Checking
johnflux at gmail.com
Tue Jul 29 09:22:45 PDT 2008
2008/7/29 Martin Owens <doctormo at gmail.com>:
>> As David mentioned, you're missing the bigger problem nowadays of USB
>> 1.x devices slowing down a particular hub they're on. So a USB 1.x
>> device plugged into a USB 2.0 hub would make the would hub USB 1.x
>> speeds, for compatibility reasons I assume.
> That problem depends on weather the version of the hub is changed or
> weather it's just the speed, if anyone has a usb2 hub they could try
> plugging in a usb 1.1 device and send me the lshal output; I could
> check. If the speed is < than the version max then I can warn that the
> hub has been slowed.
It's probably best to only warn if an actual device is being slowed
(e.g there is a usb 2 and usb 1 device on the same hub)..
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