C.3.2 enable the dio output function – IEI Integration IMBA-XQ354 v1.10 User Manual
Page 217
Advertising
IMBA-XQ354 Motherboard
Page 197
MOV
AX, 6F08H
Sets the digital port as input
INT
15H
Initiates the INT 15H BIOS call
C.3.2 Enable the DIO Output Function
The BIOS interrupt call INT 15H controls the digital I/O. An assembly program to enable
digital I/O output functions is listed below.
MOV
AX, 6F09H
Sets the digital port as output
MOV
BL, 09H
INT
15H
Initiates the INT 15H BIOS call
Advertising