Specifications

Chapter 5: Setup 5-31
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 
8 Real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