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I/o port address – NEC Express 5800/230Eh User Manual

Page 292

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C-2 IRQ and I/O Port Address

I/O Port Address

The 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.