A-4 Appendix A: Specification tables
System interrupts
This table shows the system Interrupt Requests (IRQs) and their functions. You may use this information if you install an
adapter card that requires you to set IRQs. An IRQ function which has a device name in parenthesis may not be available on all
models. In some cases, the device listed uses the IRQ.
Table 7: System interrupts
Interrupt request (IRQ) Function
0Timer
1 Keyboard
2 Cascade interrupt control
3 Serial port
4 Modem
5 Available (Sound)
6 Diskette
7 Parallel port
8 Real-time clock
9Video
10 Available (USB)
11 Available (Sound)
12 PS/2 mouse
13 Math coprocessor
14 Primary IDE
15 Secondary IDE
v65xahb.book : app-a.fm Page 4 Friday, January 16, 1998 4:27 PM
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