If you got a A600 and a A604 and a subway, proceed as follow:
Uncompress anaiis.lha in a directory.
Launch Anaiis program, select the "Preferences" panel, select "System" subpanel, select "Subway" with the pseudo cycle button (click to go forward, Shift + click to go backward) then input 0x00d90001 in the "Param1" field.
Close Anaiis program (the preferences are stored in s
Then you can launch usbstart.
Launch Anaiis, "Hardware" menu, you should see the subway. "Statistics menu", you should see the subway and some hub activity.