Aaeon PCM-6897/L, Manual

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Compact Board P C M - 6 8 9 7 / L
Appendix A Programming the Watchdog Timer
A -8
CMP AL,12h
JNE Not_Initial
Need_Initial:
STC
RET
Not_Initial:
CLC
RET
Check_Chip ENDP
Read_Configuration_Data PROC NEAR
MOV DX,WORD PTR CS:[C04h]
OUT DX,AL
MOV DX,WORD PTR CS:[C06h]
IN AL,DX
RET
Read_Configuration_Data ENDP
Write_Configuration_Data PROC NEAR
MOV DX,WORD PTR CS:[C04h]
OUT DX,AL
XCHG AL,AH
MOV DX,WORD PTR CS:[C06h]