Toshiba PORTEGE M400 - Manual (Page 173)

User’s Manual 8-12
Optional Devices
10. Fit the memory module's connectors into the socket at about a
45 degree angle and push the module down until latches on either side
snap into place.
Align the notch of the memory module with that of the memory slot and
gently insert the module into the slot.
Installing the memory module
11. Screw in the two screws and replace the memory module cover.
Seating the memory module cover
12. Tuck the keyboard ribbon cable into the groove under the palm rest.
Tuck the keyboard ribbon cable
Slot B
Slot A
Screws
Memory module
cover
Keyboard
ribbon
cable