Csm parameters, Boot option priorities sets the system boot order, Bios setup – IBASE MB961 User Manual
Page 54: Mb961 user’s manual
BIOS SETUP
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MB961 User’s Manual
INT19 Trap Response
Enable: Allows Option ROMs to trap Int 19.
Boot Option Priorities
Sets the system boot order.
CSM parameters
This section allows you to configure the boot settings.
Aptio Setup Utility
Main Advanced
Chipset
Boot
Security
Save & Exit
→ ←
Select Screen
↑↓ Select Item
Enter: Select
+- Change Field
F1: General Help
F2: Previous Values
F3: Optimized Default
F4: Save ESC: Exit
Launch CSM
Always
Boot option filter
UEFI and Legacy
Launch PXE OpROM policy
Do not launch
Launch Storage OpROM policy
Legacy only
Launch Video OpROM policy
Legacy only
Other PCI device ROM priority
Legacy OpROM
Boot option filter
This option controls what devices system can boot to.
Launch PXE OpROM policy
Controls the execution of UEFI and Legacy PXE OpROM.
Launch Storatge OpROM policy
Controls the execution of UEFI and Legacy Storage OpROM.
Launch Video OpROM policy
Controls the execution of UEFI and Legacy Video OpROM.
Other PCI device ROM priority
For PCI devices other than Network, Mass storage or Video defines
which OpROM to launch.