Interrupt Lines - NEC Express5800 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
Peripheral Device (Controller)
System timer
−
Cascade connection
COM 2 serial port
COM 1 serial port
PCI
−
−
Express5800/R110e-1E User's Guide
IRQ Peripheral Device (Controller)
8 Real-time clock
9 Microsoft ACPI-Compliant System
10 PCI
11 PCI
12 −
13 Arithmetic operation processor
14 Primary IDE
15 Secondary IDE
2. Interrupt Lines
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