Dell Vostro 400 (Mid 2007) - Manual (Page 120)

120
Removing and Installing Parts
12 Fix the card retention bracket by replacing and tightening the screw.
13 Connect any cables that should be attached to the card.
See the documentation for the card for information about the card’s cable
connections.
1 alignment guide 2 filler bracket 3 alignment bar
4 card retention bracket 5 screw 6 guide clamp (2)
7 guide notch (2)
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