Chapter 4 Appendix
2.
Interrupt Lines
Interrupt lines are assigned as factory settings as shown below. Use this table as a reference when you add
optional devices.
Interrupt lines
IRQ
0
1
2
3
4
5
6
7
8
9
10
11
Peripheral Device (Controller)
System timer
COM 2 serial port
COM 1 serial port
PCI
PCI
Real-time clock
ACPI Compliant System
PCI
Motherboard resource
Express5800/T120g User's Guide
IRQ
Peripheral Device (Controller)
12
SM bus
13
Numeric data processor
14
15
16
SATA
17
18
USB
19
USB
20
21
22
23
2. Interrupt Lines
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