Acnodes OPC 8190 - Manual (Page 62)

This item allows you to set or disable the PCI Express Ports.
3.9 Exit Menu
The Exit menu allows users to load your system configuration with
optimal or failsafe default values 0
 Save Changes and Exit
When you have completed the system configuration
changes, select this option to leave Setup and reboot the
computer so the new system configuration parameters can
take effect. Select Save Changes and Exit from the Exit
menu and press . Select Ok to save changes and
exit.
 Discard Changes and Exit
Select this option to quit Setup without making any
permanent changes to the system configuration. Select
Discard Changes and Exit from the Exit menu and press
. Select Ok to discard changes and exit.
 Discard Changes