Apple Macintosh PowerBook 1400 - Manual (Page 165)

8 Carefully remove the RAM card from its packaging and position it above the area for
installation in the computer.
Hold the card by its edges on the left side, taking care not to touch any of the
components or the wires inside the connectors.
9 Tilt the right side of the card so that its right edge fits under the right edge of the
computer’s case and slip the card’s right edge into the card guide on the inside of the
case.
m If a RAM card has not been installed, slide the right edge of the card below
the card guide.
Install first RAM card
below the card guide.
RAM card properly
installed.
Card
guide
Card
guide
165 Installing Expansion Cards