NCR 7458 - Manual (Page 35)

Chapter 3: Hardware Service 3-11
Removing a PCI Adapter Card
Adapter cards are connected to the PCI Riser Card inside the
Electronics Box.
1. Remove the Electronics Tray.
2. Release the Motherboard Tray Slide Latch and slide the
Motherboard Tray slightly toward the front of the terminal.
3. Disconnect any cables to the PCI Adapter Card.
4. Remove the PCI Card Latch. This is accomplished by lifting up on
the latch as shown below.
20429
PCI Card Latch
AT Blank Brackets
5. Disconnect the PCI Adapter Card from the PCI Riser Card.