ADLINK ACL-8454/12 - Manual (Page 58)

50 • High-Level Programming
Appendix A Using of IRQ
Channels
IRQ
Level
Used by
0
It is used by motherboard and not available on
expansion slot.
1
It is used by motherboard (key-board) and not
available on expansion slot.
2 It is re-directed from IRQ9.
3 COM2: RS-232
4 COM1: RS-232, it is usually occupied by mouse
5
6
7
8
It is used by motherboard and not available on
expansion slot
9 Re-direct to IRQ 2
10
11
12
13
It is used by motherboard (math co-processor)
and not available on expansion slot.
14
It is usually occupied by IDE master drive (hard
disk).
15 It is used the IDE slave drive (usually CD-ROM).
Remark The IRQ channels with mark cannot be
used by ACL-8454.