Texas Instruments Extensa 450 Series Maintenance Manual page 68

6.5.7
Removing/Replacing Dual Inline Memory
Modules (DIMMS)
To remove and replace the expansion memory, use the following procedure:
1. Loosen the keyboard assembly (but do not disconnect keyboard cables) as
described in steps 1 through 5 of Paragraph 6.5.5).
2.
Remove the Heatsink as described in Paragraph 6.5.6.
3.
Using the back edge of the keyboard as a hinge, lift the front edge of the keyboard
up and lay it against the LCD assembly.
4. Push the two metal springs away from the board edge and remove the DIMMS
board.
5.
When installing a DIMMS board, insert the edge of the board into the rear of its
connector using a slight rocking motion at an angle to the surface of the
board.
6.
Once the DIMM is fully inserted in the connector, push downwards on both sides
of the board to snap it in place.
Figure 6-4 Removing/Replacing Expansion RAM
Field Service 6-9