General I/O Registers; Base+10H: Read Board Id; Base+11H: Read/Write Ido Port; Base+12H: Read/Write Idi Port - Advantech PCI-1243U User Manual

4.5 General I/O Registers

Register from Base+10h to Base+1Bh are for general I/O, following are
the definitions of each register.

4.5.1 Base+10h: Read Board ID

Write D7
-
Read D7
-
This Register Is Read Board ID (D3~D0)
The Operation Steps are as the following
Step 1: outportb (base+0x10, 0x00)
Step 2: BoardID = inportb (base+0x10)

4.5.2 Base+11h: Read/Write IDO Port

Write D7
IDO7
Read D7
IDO7
This Register Is Read/Write IDO Output (D7~D0)

4.5.3 Base+12h: Read/Write IDI Port

Write D7
-
Read D7
IDI7
This Register Read IDI Port (D7~D0)
PCI-1243U User Manual
D6 D5 D4
- - -
D6 D5 D4
- - -
D6 D5
IDO6 IDO5
D6 D5
IDO6 IDO5
D6 D5
- -
D6 D5
IDI6 IDI5
D3
-
D3
ID3
D4 D3
IDO4 IDO3
D4 D3
IDO4 IDO3
D4 D3
- -
D4 D3
IDI4 IDI3
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D2 D1
- -
D2 D1
ID2 ID1
D2 D1
IDO2 IDO1
D2 D1
IDO2 IDO1
D2 D1
- -
D2 D1
IDI2 IDI1
D0
-
D0
ID0
D0
IDO0
D0
IDO0
D0
-
D0
IDI0