User manual

3-18 Chapter 3: Software Installation - QNX 4.XX
Echo User's Manual, ver. 0.00
Figure 11: QNX 4.XX: IRQ settings
A
B
3 4 5 7 10 11 12 15
IRQ
J1
Note: All Echo odd ports are interrupting on channel A, IRQ 4
and all Echo even ports are interrupting on channel B, IRQ 3.