Table 41. | Interrupts (continued) | |
IRQ |
| System Resource |
|
|
|
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) |
|
|
|
16 (Note 2) |
| AGP video (through PIRQA) |
17 (Note 2) |
| AC '97 audio/User available (through PIRQB) |
18 (Note 2) |
| (optional) (through PIRQC) |
19 (Note 2) |
| ICH2 USB controller 1 (through PIRQD) |
20 (Note 2) |
| |
21 (Note 2) |
| (optional)/User available (through PIRQF) |
22 (Note 2) |
| (optional)/User available (through PIRQG) |
23 (Note 2) |
| ICH2 USB controller 2/User available (through PIRQH) |
Notes: |
|
|
1.Default, but can be changed to another IRQ.
2.Available in APIC mode only.
92 | Intel Server Board |