Apple Macintosh LC 630 - Manual (Page 97)

Installing an expansion card involves three steps:
m opening the computer
m inserting the card into a specific slot
m closing the computer
Opening the computer
1 Shut down your computer by choosing Shut Down from the Special menu.
You can also press the Power key on the keyboard.
2 Unplug all the cables except the power cord from your computer.
Leaving the power cord plugged in helps protect the computer from
electrostatic discharge.
IMPORTANT To avoid generating static electricity that may damage
components, do not walk around the room until you have completed the
installation of the expansion card and closed the computer. Additionally, move
the logic board as little as possible while it is outside the computer case.
3 Place your thumbs on the two tabs at the top of the back panel, and press down.
89 Installing an Expansion Card