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INSTALLING NETWORK INTERFACE BOARDS
Changing the I/O Port Address on the Switched-56 Network
Interface Board
C-8
3. Move the jumper to the new position.
Remove the jumper shunt from the jumper block by lifting it
straight up. Then align it over the correct pair of pins, and push
it straight down.
Record your IRQ setting. You must specify it during software
installation.
Note: If the default I/O port address setting (01C0) does not
conflict with the I/O port address of another device in
your PC, you can skip this section.
The board's I/O port address is set with a switch located at the top
center of the board. The switch has six sliding DIP switches. A
switch in the up position is a logical 0 (off), and a switch in the down
position is a logical 1 (on).
The illustration below shows the switch positions for the default
I/O port address setting, which is hexadecimal 01C0:
01C0 =
0
Left
1
2
3
4
5
6
C
1
Logical 0
Logical 1
0
Right
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