Dell OptiPlex GX280 - Manual (Page 89)

1 PCI Express x16 card
2 PCI Express x16 card slot
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.
If you are installing or replacing a PCI card, see " Installing a PCI Card ."
Installing a PCI Express Card
1. Follow the procedures in " Before You Begin ."
2. Press the lever on the card retention arm and raise the retention arm.
1 securing slot (not all cards) 6 retention arm
2 edge connector
7 lever
3 card connector 8 PCI Express x16 card