Dell XPS M1530 (M1530, Late 2007) - Manual (Page 38)

38 Communication Cards
Replacing a WLAN Card
NOTICE: The connectors are keyed to ensure correct insertion. If you feel
resistance, check the connectors on the card and on the system board, and realign
the card.
NOTICE: To avoid damage to the WLAN card, never place cables under the card.
1 Insert the WLAN card connector at a 45-degree angle into the system
board connector labeled "WLAN."
2 Press the other end of the WLAN card down into the slot on the system
board until the card clicks into place.
3 Replace the M2 x 3-mm securing screw.
4 Connect the appropriate antenna cables to the
WLAN card you are installing:
If the WLAN card has two triangles on the label (white and black),
connect the white antenna cable to the connector labeled "main" (white
triangle), and connect the black antenna cable to the connector labeled
"aux" (black triangle).
If the WLAN card has three triangles on the label (white, black, and gray),
connect the white antenna cable to the white triangle, connect the black