NEC 5800/230Eh I/O Port Address, C-2IRQ and I/O Port Address, The factory-setI/O port addresses for the server are assigned as follows:

C-2 IRQ and I/O Port AddressI/O Port AddressThe factory-set I/O port addresses for the server are assigned as follows:

Address *1			Chip in Use *2
00	-	1F	DMA controller
20	-	2D	Interrupt controller
2E - 2F			Super I/O configuration
30	-	31	Interrupt controller
34	-	35	Interrupt controller
38	-	39	Interrupt controller
3C - 3D			Interrupt controller
40	-	43	Timer controller
4E - 4F			Super I/O configuration
50	-	53	Timer/counter
61			NMI
62			LPC reserve
63			NMI
70	-	77	NMI/real-time clock
80	-	91	DMA controller
92			Port 92
93	-	9F	DMA controller
A0 - A1			Interrupt controller
A4 - A5			Interrupt controller
A8 - A9			Interrupt controller
AC - AD			Interrupt controller
B0 - B1			Interrupt controller
B2 - B3			Advanced power management
B4 - B5			Interrupt controller
B8 - B9			Interrupt controller
BC - BD			Interrupt controller
C0 - DF			DMA controller
F0			Coprocessor error
F1 - FF			Logic device configuration
170 - 177			IDE secondary bus controller
1F0		- 1F7	IDE primary bus controller
2F8		- 2FF	Serial port 2
376			IDE secondary bus controller
3F0		-3F5	Floppy disk drive 1
3F6			IDE primary bus controller
4D0 -4D1			Interrupt controller
CA2 - CA3			BMC SMS interface
CA4 - CA5			BMC SMS interface
CF8 - CFB			PCI configuration address/reset control (CF9)
CFC - CFF			PCI configuration data

*1 Hexadecimal notation

*2 I/O port address for PCI devices can be arbitrarily assigned according to the type and number of PCI devices.