Dell XPS 420 (Late 2007) - Manual (Page 107)

Removing and Installing Parts
107
5 Align the notch on the bottom of the module with the crossbar in the
connector.
NOTICE:
To avoid damage to the memory module, press the module straight down
into the connector while you apply equal force to each end of the module.
1 memory slot on system board 2 memory slot
1 cutouts (2) 2 memory module
3 notch 4 crossbar
1
2
3
2
1
4
book.book Page 107 Tuesday, November 27, 2007 10:29 AM