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Appendix b, I/o port address – NEC Express 5800/320Lb User Manual

Page 301

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Appendix B

I/O Port Address

The factory-set I/O port addresses for the server are assigned as follows:

Address

Chip in Use

00-1F

20-21

2E-2F

40-43

60
61
64

70-71

80-8F

A0-A1

C0-DF

E0-E9

F0

F1-FF

170-177 or BAR2

1F0-1F7 or BAR0

278-27F

2F8-2FF

BAR or 376

370-377

378-37F

3B0-3BB

3BC-3BE

3C0-3DF

3F6 or BAR1

3F0-3F7

3F8-3FF

40B

4D0
4D1
4D6

580-58F

C00
C01
C14
C49

C4A

C52

C6C

C6F

CA2-CA3

8-bit DMA control register
Master 8259 programming interface
Configuration
8254 programming interface
Keyboard & mouse
NMI status register
Keyboard & mouse
NMI enable register/real-time clock
16-bit DMA control register
Slave 8259 programming interface
DMA controller page register
Base address register
Register IRQ13
Logical device configuration
EDMA2-compatible mode primary command block register
EDMA2-compatible mode secondary command block register
(Parallel port 3)
Serial port B
EDMA2-compatible mode secondary command block register
(Floppy disk drive 2), IDE 2
(Parallel port 2)
VGA
Parallel port 1
VGA
EDMA2-compatible mode primary command block register
(Floppy disk drive 1), IDE 1
Serial port A
DMA1 expansion write mode register
Master 8259 ELCR programming
Slave 8259 ELCR programming
DMA2 expansion write mode register
SMBus control
PCI IRQ mapping index register
PCI IRQ mapping data register
PCI error status register
Address & status control
Rise time counter control
General register (GPMs)
ISA wait register
Other control registers
IPMI (IMPI KCS interface)

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