Aaeon EMB-CV1 series Manual page 43

I n d u s t r i a l M o t h e r b o a r d E M B - C V 1 s e r i e s
CALL Write_Configuration_Data
RET
Exit_Configuration_Mode ENDP
Check_Chip PROC NEAR
MOV AL,20h
CALL Read_Configuration_Data
CMP AL,87h
JNE Not_Initial
MOV AL,21h
CALL Read_Configuration_Data
CMP AL,81h
JNE Not_Initial
Need_Initial:
STC
RET
Not_Initial:
CLC
RET
Check_Chip ENDP
Read_Configuration_Data PROC NEAR
MOV DX,WORD PTR CS:[Cfg_Port+04h]
Appendix A Programming the Watchdog Timer A-8