Jetway Computer NF83 - Manual (Page 40)

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Gate A20 Active
The optional settings are: [Upon Request]; [Always].
[Upon Request]: GA20 can be disabled during using BIOS services.
[Always]: do not allow disabling GA20; this option is useful when any RT code is
executed above 1MB.
Option ROM Message
Use this item to set display mode for option ROM.
The optional settings are: [Force BIOS]; [Keep Current].
INT19 Trap Response
The optional settings are: [Immediate]; [Postponed].
[Immediate]: to execute the trap right away;
[Postponed]: to execute the trap during legacy boot.
3-10 Security Menu
Security menu allow users to change administrator password and user password