IBM 704 - Manual (Page 25)

Door Lock: You can lock the door on your server to deter
tampering with the internal components.
Power On/Off Button: Press this convex button to manually
turn the server on or off.
Reset Button: Press this concave button to reset the system and
run the power-on self-test (POST).
Diskette-Eject Button: Press this button to remove a diskette
from the drive.
CD-ROM Eject Button: Press this button to eject the CD-ROM
tray from its drive so that you can insert or remove a CD.
Chapter 1. Introducing the PC Server 704 7