
8 Hardware Installation
Xtreme/104 Opto User's Manual, ver. 0.00
Example: Mode 3 – two IRQs
The following example shows the settings on JB3 and the IRQ
jumper blocks JB1 and JB2 so that ports 1, 2 interrupt on IRQ
7 and ports 3, 4 interrupt on IRQ 10.
JB3
IRQ select
B
9
7
4
3
6
5
IRQ jumper block
JB1
C
D
15
11
10
14
12
IRQ jumper block
JB2
A
B
C
D
E
F
G
Example: Mode 4 – four IRQs
The following example shows the settings on JB3 and the IRQ
jumper blocks JB1 and JB2 so that Port 1interrupts on IRQ 7,
Port 2 interrupts on IRQ 4, Port 3 interrupts on IRQ 12, and
Port 4, interrupts on IRQ 10.
JB3
IRQ select
B
9
7
4
3
6
5
IRQ jumper block
JB1
C
D
15
11
10
14
12
IRQ jumper block
JB2
A
B
C
D
E
F
G
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