Specifications

4–14 Functional Description
Subject to Change – 17 January 1997
Interrupts
1
The # symbol indicates an active low signal.
Table 4–2 ISA Interrupts
Interrupt
Number Interrupt Source
IRQ0 Internal timer
IRQ1 Keyboard
IRQ2 Interrupt from controller 2
IRQ3 COM2
IRQ4 COM1
IRQ5 Available
IRQ6 Diskette
IRQ7 Parallel port
IRQ8#
1
Reserved
IRQ9 Available
IRQ10 Available
IRQ11 Available
IRQ12 Mouse
IRQ13 Available
IRQ14 IDE
IRQ15 IDE