User Guide

2. Interrupt Lines
Express5800/R110f-1E User’s Guide
148
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 Peripheral Device (Controller) IRQ Peripheral Device (Controller)
0 System timer 8 Real-time clock
1
−
9 Microsoft ACPI-Compliant System
2 Cascade connection 10 PCI
3 COM 2 serial port 11 PCI
4 COM 1 serial port 12
−
5 PCI 13 Arithmetic operation processor
6
−
14
−
7
−
15
−