NEC Express5800/R120e-1M User's Guide Page 138

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2. Interrupt Lines
Express5800/R120e-1M User’s Guide
138
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 SM Bus
1
13 Numeric data processor
2
14
3 COM 2 serial port 15
4 COM 1 serial port 16 VGA, LAN1
5 PCI 17 LAN2, SATA
6
18
7 PCI 19
8 Real-time clock 20 USB
9 Microsoft ACPI-Compliant System 21 USB
10 PCI 22 USB
11 Motherboard resource 23 USB
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