HP 98568A Installation Instruction page 195

HP 98548/49/50A High Resolution Video Boards
Figure 5-39.
Video Board Configuration Switches
b. Press the video board into the connector and tighten the captive
fasteners. You may need a Pozidriv screwdriver.
c. Connect the included video cable or cable set to the new video board and
to the new monitor.
d. Connect the power cord to the monitor and turn the power ON.
e. Re-connect the power cord to the computer and turn the power ON.
Adding Interface Cards 5-99