BOLT
UDOO BOLT User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by L.V. Copyright © 2019 SECO S.p.A.
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4.3.14
CSM configuration submenu
4.3.15
NVMe configuration submenu
NVMe Device Options Settings, depend on NVMe Devices found in the system.
Menu Item
Options
Description
CSM Support
Enabled / Disabled
Enables or disables the Compatibility Support Module (CSM) Support. When enabled, the following menu
items will appear
GateA20 Active
Upon Request
Always
Upon Request: GateA20 can be disabled using BIOS services,
Always: do not allow disabling GateA20; this option is useful when any RT code is executed above 1MB.
INT19 Trap Response
Immediate
Postponed
BIOS Reaction on INT19 trapping by Option ROM:
IMMEDIATE - execute the trap right away;
POSTPONED - execute the trap during legacy boot
Boot option filter
UEFI and Legacy
Legacy only
UEFI only
This option controls Legacy / UEFI ROMs priority
Network
Do not launch
UEFI
Legacy
Controls the execution of UEFI and Legacy PXE OpROM
Storage
Do not launch
UEFI
Legacy
Controls the execution of UEFI and Legacy Storage OpROM
Video
Do not launch
UEFI
Legacy
Controls the execution of UEFI and Legacy Video OpROM
Other PCI devices
Do not launch
UEFI
Legacy
Determines the OpROM execution policy for devices other than Network, Storage and Video