Compaq Armada M300 Series Reference Manual page 76

To remove the diskette drive from the Diskette Drive Bay in the
mobile expansion unit:
1. Remove the diskette from the diskette drive.
2. Slide forward the diskette drive release latch
3. Slide the diskette drive from the bay
To insert the diskette drive into the Diskette Drive Bay in the
mobile expansion unit:
1. Remove the drive connector cord from the external diskette
drive that came with the computer.
2. With the drive connector facing in, slide the diskette drive into
the Diskette Drive Bay until the connector is seated.
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