MBP doesn't see usb card reader

I have a MAUSB-10 card reader and my MBP doesn't see it. It's usb and was plugged into my xp box, but I'm trying to switch everything over to mac and this is a major stumbling block. Anyone have any ideas as to how I can get the MBP to see the reader..... cmd line force? anything!?!
Thank you in advance.
Doug

I just tried a Sandisk USB 2.0 Card Reader/Writer for Sony style memory stick. Model SDDR-170-A10M. My 15" MacBook Pro will not mount the memory stick on the desktop. I have a support e-mail into Sandisk, but I am wondering if there is anything I can do to make this work in the meantime?
I am seeing no Apple Mac OSX specific drivers. The device did come with a Windows driver software mini-cd-disc. Which I beleive I couldn't use on my internal CD drive anyway.
Any thoughts out there would be much appreciated!
BTW an SIIG, Inc. ExpressCard 11-in-1 R/W card does work! I just thought the Sandisk "thumb-drive" style R/W device would be a more universal way to work between computers.

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MBP doesn't see usb card reader

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