Dell Vostro 200 (Mid 2007) - Manual (Page 113)

Removing and Installing Parts
113
1 Follow the procedures in "Before You Begin" on page 99.
2 Press the securing clip at each end of the memory module connector.
3 Align the notch on the bottom of the module with the crossbar in the
connector.
1 memory connector closest
from processor (DIMM_1) 2 securing clips (2)
3 connector
1 cutouts (2) 2 memory module
3 notch 4 crossbar
2
3
1
3
2
1
4