Free Firewire Audio Drivers
This device looks identical to a Roland FA-66.
SPS-66 seems to be identical to the FA-66 except different casing and some Vendor information stored in config ROM
I wasn't able to use the device with jackd 0.109
Works beautifully with:
Linux 2.6.24-23-rt #1 SMP PREEMPT RT Wed Apr 1 23:40:34 UTC 2009 i686 GNU/Linux
FFADO 2.0 Release Candidate 1