Julie, actually yes.
Kind of pointless to have only 190MB (Even less that, usually) of storage to use on your PC, don't you think?
I guess you could use the SD and CF card as a drive...
Anyway,
here is a program that allows you to do that.
Here is a compatibility list for that program:
Dell
Model Test result Notes
Axim X30 Works fine Version 2.01 or later is required
Axim X5 Doesn't work MQ1100 chip problem
Axim X50 Works fine Built-In Storage is not supported
Axim X50V Works fine Built-In Storage is not supported
Axim X51V Works fine ROM Update A12 requires Version 2.18 or later