FW1884 SX or LE
Make sure you have the latest Driver (1.5 as of 11/05) do install.
Check for latest firmware (they ship with 1.4)
Install software (follow every direction)
go to Devices/Device setup ...Plus sign .. you get drop down menu.. VSTaudio bay control panel buffer needs to be 2048 you should restart.
Select Mackie Control
Midi in/out choose FW1884 control for midi in and out\
Remote devices also selected
asio fw1884
Tascam Control choose 2048 for buffers
Cubase SX/ Nuendo ( In the control panel you should see insync in software)
Then hit apply /// restart the software ///
power up the 1884 then the software