I can confirm that the EDUP 5in1 MCR-5A PC Card Adapter that I mentioned here:
https://www.hpcfactor.com/forums/forums/thread-view.asp?tid=18791&start=7
works well with my Husky FEX21 as well as both my HP 360LX and my Jornada 820.
In a moment of hope I decided to try to use it to resolve the pcmcia problem I had using linux on my J820. Although 'Sarge' saw network cards fine I was never able to mount my micro-drives because I kept getting 'timed out' messages. Unfortunately - no joy. I got the same message with the Edup card.
The EDUP takes SmartMedia, SD, MMC, 'Memory Stick' and 'Memory Stick PRO' media.