C. irq and i/o port address, Appendix c, Irq and i/o port address – NEC Express 5800/230Eh User Manual
Page 291
Appendix C
IRQ and I/O Port Address
The factory-set interrupt requests and I/O port addresses are listed below. Find an appropriate one to
install an optional device.
Interrupt Request
The factory-set IRQs are assigned as follows:
IRQ
Peripheral Device (Controller)
0
System timer
3
COM2
4
COM1
5
PCI
8
Real-time clock
9
APCI
10
PCI
11
BMC
13
Numeric processor
14
Primary IDE channel
16
PCI
24
PCI
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