Apple PC Compatibility Card (Installation) - Manual (Page 47)

2 Press the reset button on the logic board, and slide the logic board back into
the computer until it snaps into place.
Note: When you press the reset button, some of your computer’s software
settings will change. After you finish this installation and turn on your
computer, you may want to open the control panels for the date and time,
keyboard, and mouse to make sure that they are set the way you want. For
more information about working with control panels, see the information
about customizing your computer in Macintosh Guide, available in the
Guide (h) menu.
1 Press the reset button.
2 Gently but firmly push
on the vertical plate until
the logic board is solidly
back in place.
47 Installing the PC Compatibility Card in a 6400 Series Macintosh Computer