NEC 5800/180Ra-7 Manuale Utente

Table B-3 lists the I/O port address assignments. In Table B-3 the addresses are
listed in hexadecimal notation and the I/O port address of a PCI device is set
according to its type and number.

00

-

1F

8-bit DMA control register

20

-

21

Master 8259 programming interface

2E

-

2F

Configuration

40

-

43

8254 programming interface

60

Keyboard/mouse

61

NMI status register

64

Keyboard/mouse

70

-

71

NMI enable register/real-time clock

80

-

8F

16-bit DMA control register

A0

-

A1

Slave 8259 programming interface

C0

-

DF

DMA controller pageregister

E0

-

E9

Base address register

F0

Register IRQ 13

F1

-

FF

Logical device configuration

170 - 177 or BAR2

EDMA2 compatible mode primary command block register

1F0 - 1F7 or BAR0

EDMA2 compatible mode secondary command block register

278

-

27F

(Parallel port 3)

2E8

-

2EF

(Serial port)

2F8

-

2FF

Serial port 2

376

EDMA2 compatible mode secondary command block register

370

-

377

(Floppy disk drive 2), IDE 2

378

-

37F

(Parallel port 2)

3B0

-

3BB

VGA

3BC

-

3BF

Parallel port 1

3C0

-

3DF

VGA

3E8

-

3EF

(Serial port)

3F6

or

BAR3

EDMA2 compatible mode primary command block register

3F0

-

3F7

(Floppy disk drive 2), IDE 1

3F8

-

3FF

Serial port 1