Appendix C. Irq And Dma Channel Assignments - IBM NetVista X40 Technical Information Manual

Appendix C. IRQ and DMA channel assignments

Table 36. IRQ channel assignments
IRQ System resource
NMI Critical system error
SMI System management interrupt - power management
0 Reserved (interval timer)
1 PS/2 keyboard
2 Reserved
3 available to user
4 Reserved (for internal debug)
5 ACPI
6 Diskette controller
7 Available to user
8 Real-time clock
9 Ethernet controller/PCI to USB open host controller/Audio driver
10 Available to user
11 Available to user
12 PS/2 Mouse
13 Reserved (math coprocessor)
14 Primary IDE (if present)
15 Secondary IDE (if present)
© Copyright IBM Corp. 2000
The following tables list the interrupt request (IRQ) and direct memory access (DMA
channel assignments.
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