i've had this happen lots of times! some thoughts.
(a) while the I/O of the comms cables on the componentsare not specific (plug a comms cable into any available port); the connections on the speakers are clearly labelled IN and OUT. i've screwed this one up before.
(b) i will beg to differ with a prior poster re: controller. you don't need to have 568 controller in your setup.
your problem is generally a controller problem. i have found that you CANNOT use the auto-setup stuffs the minute you insert any sort of complexity into the system (esp. DSP speakers). when i have to do a full setup, i do it by hand speaker by speaker and via the software. the auto-setup thing assumes ultra-simplistic configurations IMO.
good luck.
doody.