I'm just trying to get this running.
With the PCMCIA adapter, I get:

pcmcia1: CIS version PC Card Standard 5.0
pcmcia1: CIS info: FREECOM, PCCARD-IDE, REV836
pcmcia1: Manufacturer code 0xffffffff, product 0xffffffff
pcmcia1: function 0: unspecified, ccr addr 200 mask f
pcmcia1: function 0, config table entry 1: memory card; irq mask ffff; iomask 
4,
 iospace 0-f; rdybsy_active wp_active bvd_active io16 irqpulse irqlevel
wdc0 at pcmcia1 function 0: FREECOM PCCARD-IDE
wdc0:0: before reset, st0=0xff, st1=0xff

The controller is recognized, but no drive is seen.
Any hints where to start debubgging?

With the USB cable, it gets:
ugen0 at uhub0 port 1
ugen0: Freecom Connector for DVD drive, rev 1.00/9.21, addr 2

No umass... So it seems I'm out of luck here... Really?

best regards
Matthias