Compaq Armada 7400 Reference Manual page 72

1. Remove any discs from the CD-ROM or DVD-ROM drive.
2. Close the drive tray.
3. Turn off the computer if you are running a version of
Windows 95, 98, or NT 4.0 that was not preinstalled by
Compaq.
4. Tilt the computer at an angle so you can see the bottom front
of the computer.
5. Slide the MultiBay release latch toward the front of the
computer
6. Pull out the drive
to release the drive from the MultiBay.
.