MSI IM-GS45-D - Manual (Page 62)

4-8
SYSTEM RESOURCES
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SIO GPIO
Pin GPIO Type Function Power Description
88 GP34 O
#EN485
Default high for
RS232 function
5VSB
87 GP35 O
#EN422
Default high for
RS232 function
5VSB
69 GP36 O
EN232
Default high for
RS232 function
5VSB
80 GP45 O
RS485_EN#_1
Default high for
RS232 function
5VSB
83 GP42 O
RS422_EN#_1
Default high for
RS232 function
5VSB
82 GP43 O
RS232_EN#_1
Default high for
RS232 function
5VSB
81 GP44 O
RS485_EN#_2
Default high for
RS232 function
5VSB