CA810 Motherboard Product Guide
Interrupts
Table 11. | Interrupts | |
|
|
|
IRQ |
| System Resource |
NMI |
| I/O channel check |
0 |
| Reserved, interval timer |
1 |
| Reserved, keyboard buffer full |
2 |
| Reserved, cascade interrupt from slave PIC |
3 |
| COM2* (user available if COM2 is not present) |
4 |
| COM1* |
5 |
| LPT2 (Plug and Play option)/audio/user available |
6 |
| Diskette drive controller |
7 |
| LPT1* |
8 |
| Real time clock |
9 |
| User available |
10 |
| User available |
11 |
| User available |
12 |
| Onboard mouse port (if present, else user available) |
13 |
| Reserved, math coprocessor |
14 |
| Primary IDE (if present, else user available) |
15 |
| Secondary IDE (if present, else user available) |
*Default, but can be changed to another IRQ.
48