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Read this chapter for information
on using expansion bay
modules and PC Cards.
3 Using Expansion Bay Modules and PC Cards
Using expansion bay modules
The floppy disk drive in your Macintosh PowerBook is a removable module, which you can easily switch with other modules, such as the PC Card storage module that came with your computer. The place in your computer where modules go is called the expansion bay. All expansion bay modules are inserted and removed in the same way.
You should not remove an expansion bay module if there is a floppy disk (or other storage medium) inserted and in use, or you may lose data. When the small green
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