ADLINK STC-15W04 - Manual (Page 56)

48 BIOS
Interrupt 19 Capture
Allows option ROM to trap Int 19. Options: Enabled/Disabled.
CSM Support
Enable, Disable CSM Support. If Auto is selected, based on OS,
CSM will be enable, disable automatically. Options: Enable, Dis-
able, Auto.
Boot Option Priorities
Set the system boot order.