After successful installation of the TFU-H33PI USB 2.0/FireWire Combo PCI Card, I connect my external USB/FireWire device to the USB/FireWire port, but it doesn't seem to work. What should I do?
Most external USB/FireWire devices require their own power source. Make sure your USB/FireWire device is connected with an external AC power adapter and the device is powered on. If your USB/FireWire device requires a software driver, please make sure the driver is properly installed....
 
I have a USB 1.1 cable. Can it work with USB 2.0 devices?
Yes, it works but it may cause problems for connecting high-speed USB 2.0 external peripherals. It is recommended that you use a certified USB 2.0 cable for USB 2.0 devices....
 
Can I connect or disconnect USB or FireWire devices while the computer is on?
Yes, you can connect or disconnect any external USB or FireWire devices while the computer is on because the USB and FireWire interfaces are Plug-and-Play compliant and hot-pluggable. ...