Interrupt Lines - NEC Exress5800 Series User Manual

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
As factory settings, interrupt lines are assigned as follows.
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
Microsoft ACPI-Compliant System
PCI
Motherboard resource
Express5800/R120g-2E 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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