[..new Adaptec SCSI cards again..]

   > It's somewhere on my queue to work on it, but I really don't know when
   > I'll have time.  I hope that someone else does it first...

   I believe FreeBSD has a working driver for this family of cards, but it
   was reverse engineered and I don't know if the code is GPL'd or not...

1) It wasn't reverse-engineered.  It's all documented.

2) The sequencer code is GPLed.  (It's from Linux.)