OXY5320A 3.5” SBC User’s Manual V1.2
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GateA20 Active
The CPU address bit 20 is controlled by a signal called gateA20. ften gatea20 signal is
generated by a peripheral controller (E.g. keyboard Controller) which is a part of the
overall system.
Optional ROM Messages
Set display mode for Option ROM. Based on this value it displays the messages from
Option ROM
INT19 Trap Response
Enable: Allows Option ROMs to trap Int 19.
Boot Option Priorities
This option shows the priorities of the boot options. User can change the priorities by
selecting the particular boot option. The boot option selected in Boot option #1 will be
the first priority, followed by second, third and so on.
4.7 Security
Use the Security Menu to establish system passwords
Administrator Password
Select this to reconfigure the administrator’s password.
User Password
Select this to reconfigure the user’s password.
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