If you don’t care about the button (I find it useless, but some find it useful!), then simply plug in the unit and it should just work. I believe you want the Button Application Download (Mac OS 10.4 and above). * MobileMate Reader/Writer SD and Memory Stick Driver (SDDR-103/SDDR-107) SD Memory Card Formatter 5.0.1 for SD/SDHC/SDXC System Requirements Important Notice: SD Interface Devices SD Memory Card Formatter Download for Windows/Mac. * ImageMate™ USB Reader/Writer Driver (SDDR-91/SDDR-93/SDDR-95/SDDR-97)
* ImageMate Reader/Writer Driver (SDDR-89/SDDR-92/SDDR-99) * Button Application Download (Mac OS 10.4 and above) a computer, point-of-sale terminal, network system, etc.) in secure systems such as those used by government, banking and health care. * Button Application Download (Mac OS 10.3) Common Access Card (CAC) or Smart Card readers are used as a communications medium between the Smart Card and a host (e.g. I selected “Readers” then “Macintosh OSX” and it came back with a long list after saying no match was found: I just loaded the SDDR-189, and I went to the following link: When you say “driver” do you mean to access the cards, or to use the button? I have never had to load a driver to access the card slots, although the button requires that the software/driver be loaded. I’ve owned and used a few of the SDDR units on my MacBook running Mac OS/X.