4. Making Connections • Using Plug-In Modules and Storage Media. • Connecting External Devices. • Using PC Cards. • Using Docking Products. Using Plug-In Modules and Storage Media • To replace a plug-in module. • To insert or eject a floppy disk. • To insert or remove a CD. The OmniBook Plug-In Modules User’s Guide describes OmniBook accessory modules and shows you how to install and use them. The OmniBook’s module bay accommodates the following: • CD-ROM / floppy disk drive. • LS-120 drive. • DVD drive. • Second battery. To replace a plug-in module Caution If you are inserting or removing a CD-ROM / floppy disk drive, LS-120 drive, or DVD drive, shut down the OmniBook. 28