Advantech ITA-1710 User Manual page 69

Note! Please examine the current BIOS version. If it is X006 version or earlier,
please open IO decode manually. The opening method is as follows:
Use Adu.exe in DOS or RW in XP. The following operation takes DOS
as an example.
Run Adu, select PCI menu and find ISA Bridge line, then press "Enter"
to configure.
Modify 90h,91h and 92h registers under the 256 byte table in ISA con-
figuration page.
Modified value: 01h in 90h, 0ch in 91h, and 1Ch in 92h.
Ready for IO operation of GPIO.
59 ITA-1710 User Manual