The limit is 127 devices, if the Windows system is working correctly.

The problem sound like the PC can not provide enough power to handle all the
USB devices connected. This is where powered USB hubs can help.


"Mike" <Mike@discussions.microsoft.com> wrote in message
news:9E07A120-258D-436F-9E95-AFDAD87B1859@microsoft.com...
> My boss has a Dell Dimension 8100 and has about 8-10 USB devices plugged
> into
> it. Periodically it locks up. What is XP's limit has to how many USB
> devices it can support? The computer has about 6 USB ports on the back
> and
> two in the front.