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5-30 Chapter 5: Setup
Interrupts (7401-21xx/31xx BIOS Version 1.5.0.4 - Discontinued)
The following table lists the default settings.
IRQ System Resource
NMI I/O Channel Check
0 Reserved, Interval Timer
1 Reserved, Keyboard buffer full
2 Reserved, Cascade interrupt
3 Serial Port 2
4 Serial Port 1
5 User available
6 Reserved, Floppy
7 Parallel Port 1
8Real Time Clock
9 NCR Motion, Thermal interrupt
10 LAN
11 Windows Sound System/USB
12 Touch Screen
13 Reserved, Math coprocessor
14 On-board IDE (available if IDE is disabled)
15 MSR