I'm  using a FF400 with SPDIF coaxial input from a Lucid AD converter (24/96). Windows XP with latest firmware and drivers (2992 and 1.70) I see the signal in Total Mix as "Line 9". The input levels respond as expected.  The levels are also showing up on AN1 and PhoneL as expected.  No matter what settings I try, I can't get any response for the outputs.  Digicheck does not appear to be recognizing the input.  In addition, when I try to record with Samplitude 9 using ASI0 drivers, as I always have,  Only lines 1-8 and 13/14 show up in the dropdown list.  9 and 10 are not there even though the Total Matrix input shows 9 to be responding.  I got curious and decided to see if I could record with SoundForge - no problem.  I had this configuration working last year so I'm baffled.