Appendix B Digital I/O - AXIOMTEK EP820 Series User Manual

Using the Digital Input Function
Start
↓
Un-Lock SuperI /O:
↓
SelectMultiplexed pin to GPIO Function:
↓
Select Logic device:
↓
Activate Logic Device:
↓
Select GPI Function:
( When set to a '1', respective GPIO port is programmed as an input port.
When set to a '0', respective GPIO port is programmed as an output
port.)
↓
Read Data:
Digital I/O
EP820 All-In-One EPIC Board User's Manual
A p p e n d i x B
O 2E 87 ; Un-lock super I/O
O 2E 87 ; Un-lock super I/O
O 2E 2A
O 2F FF
O 2E 07
O 2F 07
O 2E 30
O 2F 01
O 2E F0
O 2F F0 ; for 4IN / 4OUT
O 2E F1
I 2F
XX ( XX is input Data;
if no input source,the value is FF)
Digital I/O
71