Dell Precision M20 - Manual (Page 78)

7. Install the screws to secure the modem to the system board.
8. Replace the cover.
Mini PCI Card
If you ordered a Mini PCI card with your computer, the card is already installed.
1. Follow the procedures in " Before You Begin ."
2. Remove the keyboard .
3. If a Mini PCI card is not already installed, go to step 4 . If you are replacing a Mini PCI card, remove the existing card:
a. Disconnect the Mini PCI card from any attached cables.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1 Mini PCI card
2 antenna wires (2)
1 Mini PCI card
2 metal securing tabs (2)