HP Vectra XU 5/XX Introduction Manual page 33

6. Holding the board vertically by its "top" edge, slide it back into the slot you removed it
from. Do not bend the board. Make sure the board correctly engages with the board
guide.
7. Align the board's connector with the slot's socket. Firmly press the board into the socket.
Make sure the board's connector engages completely with the socket and does not
touch components on other boards which may be installed.
8. Secure the board by replacing the screw.
9. Install any other accessories before replacing the cover.
VESA Pass-through Connector
If you add an optional video adapter board, connect the board's ribbon cable to the VESA
pass-through connector on your PC. The cable and connector must be connected pin 1 to
pin 1, which are marked. (Refer to your video adapter manual for further details.)
Integrated Video Adapter on the System Board
If your PC has an integrated video adapter on the system board, the VESA pass-through
connector is next to the PCI accessory board slots.
HP Vectra XU PC – Setting Up Installing Accessories 33