2. Interrupt Lines
Express5800/E120d-1 User’s Guide
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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
12
1
13
Numeric data processor
2
14
3
COM 2 serial port
15
4
COM 1 serial port
16
PCI, USB
5
17 PCI
6
18
7
19 SATA,
PCI
8 Real-time
clock
20
9
21
10
SM Bus, LAN1, LAN2
22
11
23 USB
