Apple PC Compatibility Card (Installation) - Manual (Page 23)

2 Press the reset button on the logic board, and slide the logic board back into
the computer.
Note: When you press the reset button, some of your computer’s software
settings will change. 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 them. For more information about working with control panels, see
Macintosh Guide, the on-screen help that’s available in the Guide (h) menu.
1 Press the reset button on the main logic board. Reset button
2 Gently but
firmly push the
vertical plate until the
logic board is solidly back in place.
23 Installing the PC Compatibility Card in a 5400 Series Macintosh Computer