Dell OptiPlex GX745 User'smanual page 29

1 fully seated card
2 not fully seated card
3 bracket within slot
4 bracket caught outside of slot
9. If you are installing a PCI Express card, release the lever on the securing tab, and ensure that the securing tab fits into the notch on the front end of
the card.
10. Gently press down on the card-retention latch to secure the card.
1 release tab
2 card-retention latch
3 card
NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or
cause damage to the equipment.
11. If you are installing a serial port adapter, connect the adapter cable to the serial port adapter connector (SER2) on the system board (see
Components).
4 card-edge connector
5 card connector
System Board