NEC Express5800 series User Manual page 162

This appendix provides the Interrupt Requests (IRQs), PCI IRQ device, and I/O
port addresses that are factory assigned for this system. Use these values for
reference when installing an optional device.
Interrupt Request Assignments
Table B-1 lists the factory assigned Interrupt Requests (IRQs).
IRQ Peripheral Device (Controller)
0 System timer
1 Keyboard
2 Cascaded connection
3 COM2 serial port (PCI)
4 COM1 serial port (PCI)
5 PCI/LPT2 parallel port (BMC IRQ)
6 Floppy disk
7 LPT1 parallel port
B-2 Interrupt Request/PCI IRQ Device/I/O Port Address Assignments
Table B-1. Interrupt Request Assignments
IRQ Peripheral Device (Controller)
8 Real-time clock
9 PCI/SCI
10 PCI (BMC IRQ)
11 ESMINT/PCI/ISA
12 Mouse
13 Math co-processor
14 Primary IDE (CD-ROM drive)
15 PCI