USB CPU usage 100%

[Guest Cuzman]

Like most people, I have several USB peripherals attatched to my system.

Most of them utilize very little CPU usage, but others such as my

digital camera and my iPod turn the CPU usage to 100% when they are

attatched.

 

Is there a way I can stop this from happening? This problem is slowing

my system down considerably. TIA

[Guest R. McCarty]

Re: USB CPU usage 100%

 

You're likely overloading the available bandwidth of the Root Hub that

serves the USB ports (Sockets). If the devices are USB 2.0 they all

route internally to a single Enhanced Controller/Root Hub. USB 1(.1)

devices have multiple Controllers/Root Hubs and are Socket dependant.

I frequently have to add an additional PCI USB2.0 card for customers

who have lots of USB 2.0 peripherals on their PC. You can check the

Bandwidth on the Root Hub with Device Manager, USB category and

click the "Advanced" (TAB) properties of each Root Hub.

 

"Cuzman" <cuz@supanet.com> wrote in message

news:5jr5ghFtohsU2@mid.individual.net...

>

> Like most people, I have several USB peripherals attatched to my system.

> Most of them utilize very little CPU usage, but others such as my digital

> camera and my iPod turn the CPU usage to 100% when they are attatched.

>

> Is there a way I can stop this from happening? This problem is slowing my

> system down considerably. TIA