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ARK-2121S User Manual
Chapter 5
B
IOS settings
5.2.2.9
CSM Configuration
CSM Support
Enable/Disable CSM Support.
GateA20 Active
UPON REQUEST - GA20 can be disabled using BIOS services. ALWAYS - do
not allow disabling GA20; this option is useful when any RT code is executed
above 1MB.
Option ROM Messages
Set display mode for Option ROM.
INT19 Trap Response
BIOS reaction on INT19 trapping by Option ROM: IMMEDIATE - execute the
trap right away; POSTPONED - execute the trap during legacy boot.
Boot option filter
This option controls Legacy/UEFI ROMs priority.
Network
Controls the execution of UEFI and Legacy PXE OpROM.
Storage
Controls the execution of UEFI and Legacy Storage OpROM.
Video
Controls the execution of UEFI and Legacy Video OpROM.
Other PCI devices
Determines OpROM execution policy for devices other than Network, Storage,
or Video.
Summary of Contents for ARK-2121S
Page 1: ...User Manual ARK 2121S Outdoor HD NVR w 4 PoE Ports...
Page 9: ...Chapter 1 1 General Introduction This chapter gives background information on ARK 2121S series...
Page 14: ...ARK 2121S User Manual 6...
Page 20: ...ARK 2121V User Manual 12...
Page 25: ...Chapter 4 4 Pin Assignments This chapter explains Pin Assign ments of ARK 2121S Series...
Page 32: ...ARK 2121S User Manual 24...
Page 33: ...Chapter 5 5 BIOS settings This chapter introduces how to set BIOS configuration data...
Page 57: ...Appendix A A WDT Sample Code...
Page 59: ...51 ARK 2121S User Manual Appendix A WDT Sample Code...