IEI Technology KINO-DQM871-i1 User Manual page 144

AH – 6FH
Sub-function:
AL – 9
BL
Assembly Language Sample 2
MOV AX, 6F09H
MOV BL, 09H
INT 15H
Digital Output is 1001b
Page 130
KINO-DQM871-i1 Mini-ITX SBC
:Set the digital port as OUTPUT
:Digital I/O output value
;setting the digital port as output
;digital value is 09H
;