Interrupts (Pentium Iii/Celeron) - NCR 7454 User Manual
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Interrupts (Pentium III/Celeron)
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
Serial Ports 3 and 4
6
Reserved, Floppy
7
Parallel Port 1
8
Real Time Clock
9
NCR Thermal interrupt/PII4 SMBus
10
Audio
11
LAN
12
Mouse (available if disabled)
13
Reserved, Math coprocessor
14
On-board IDE (available if IDE is disabled)
15
On-board IDE (available for MSR if IDE is disabled)
Chapter 3: Setup 3-69
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