l One PCI Express x1 card slot
PCI Express Cards
Your computer supports one PCI Express x16 card and one PCI Express x1 card.
If you are installing or replacing a PCI Express card, follow the procedures in the next section. If you are removing but not replacing a card, see "Removing a
PCI Express Card."
If you are replacing a card, remove the current driver for the card from the operating system.
Installing a PCI Express Card
1. Follow the procedures in "Before You Begin."
2. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 4.