Appendix 2: Irqs; Interrupt Requests - NEC Express5800 120Rj-2 User Manual

User Guide

Appendix 2: IRQs

The factory-set interrupt requests and I/O port addresses are listed below. Find an
appropriate one to install an optional device.

Interrupt Requests

The factory-set IRQs are assigned as follows:
IRQ
0
1
2
3
4
5
6
7
8
9
10
11
Table 35: Interrupt Requests
Peripheral Device
(Controller)
System timer
Keyboard
-
COM2 serial port
COM1 serial port
PCI
-
PCI
Real-time clock
ACPI compliant system
PCI
BMC IRQ
IRQ Peripheral Device
(Controller)
12 Mouse
13 Numeric processor
14 Primary IDE
15 Secondary IDE
16 USB
17 VGA
18 -
19 USB
30 LAN1
31 LAN2
49 Onboard SAS 1
50 Onboard SAS 2
258
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