NEC Express 5800/320Lb-R User Manual page 301

Appendix B
I/O Port Address
The factory-set I/O port addresses for the server are assigned as follows:
Address
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 page register
E0-E9 Base address register
F0 Register IRQ13
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)
2F8-2FF Serial port B
BAR or 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-3BE Parallel port 1
3C0-3DF VGA
3F6 or BAR1 EDMA2-compatible mode primary command block register
3F0-3F7 (Floppy disk drive 1), IDE 1
3F8-3FF Serial port A
40B DMA1 expansion write mode register
4D0 Master 8259 ELCR programming
4D1 Slave 8259 ELCR programming
4D6 DMA2 expansion write mode register
580-58F SMBus control
C00 PCI IRQ mapping index register
C01 PCI IRQ mapping data register
C14 PCI error status register
C49 Address & status control
C4A Rise time counter control
C52 General register (GPMs)
C6C ISA wait register
C6F Other control registers
CA2-CA3 IPMI (IMPI KCS interface)
Chip in Use