A couple of weeks ago I got around to loading the IC-7200 Windows USB driver so I could get rid of my sound card cables, etc. and get rig control features. My only comment about the USB interface is "why didn't I do this sooner!"
I use the Windows version of the FLDIGI program for various sound card modes. I have a computer in the shack that has XP Pro, 2 GHz single core CPU, and 1.5 GB of RAM. When FLDIGI is running with or without the RIGCAT connection to the IC-7200 my CPU usage is 70% to 80% with just the FLDIGI app running. Without FLDIGI CPU usage hovers around 0%. No complaints about how things actually work, etc. I was just curious if others who may use FLDIGI see this same sort of CPU usage? 73, Tim, N9PUZ
