JETWAY MI215 Series User Manual page 28

GPIO (10-pin): 8-bit GPIO/80 Port Header
JP4 Open: For 80Port Function;
JP4 Closed: Normal 8-bit GPIO.
*Note: GPIO can function as Debug display port or GPIO port via JP4 jumper setting
(refer to Page-13 for JP4 description).
SMBUS1 (5-Pin): SMBUS Header
GPIO
2
Pin1
Pin1
SMBUS1
23
SMBUS_CLK
SMBUS_DATA
SMBUS_ALERT-
GND
SMBUS_DATA
VCC3