Interrupt Lines - NEC Express5800/T120d 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
−
−
−
Real-time clock
ACPI Compliant System
PCI
Motherboard resource
Express5800/T120d User's Guide
IRQ Peripheral Device (Controller)
−
12
13 Numeric data processor
−
14
−
15
16 LAN1, USB
17 LAN2, SATA
18 SM Bus, VGA
−
19
−
20
−
21
−
22
23 USB
2. Interrupt Lines
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