User`s guide

3.6 Interrupts
Table 3–3 PCI-to-ISA SIO Bridge Interrupts
Priority Label Controller Internal/External Interrupt Source
1 IRQ0 1 Internal Internal timer 1
2 IRQ1 1 External Keyboard
3–10 IRQ2 1 Internal Interrupt from controller 2
3 IRQ8#
1
2 External Reserved
4 IRQ9 2 External ISA bus pin B04
5 IRQ10 2 External ISA bus pin D03
6 IRQ11 2 External ISA bus pin D04
7 IRQ12 2 External Mouse
8 IRQ13 2 External Reserved
9 IRQ14 2 External IDE
10 IRQ15 2 External ISA bus pin D06
11 IRQ3 1 External 87312 combination controller
12 IRQ4 1 External 87312 combination controller
13 IRQ5 1 External 87312 combination controller
14 IRQ6 1 External 87312 combination controller
15 IRQ7 1 External 87312 combination controller
1
The # symbol indicates an active low signal.
Functional Description 3–15