A-2
System I/O Addresses/Memory Map/PCI Configuration and Device
Map/Interrupts/Video Mode Assignments
This appendix provides system I/O addresses, memory mapping, PCI
configuration and device mapping, interrupts, and video modes that are factory
assigned for this system. Use these values for reference when installing an
optional device.
System I/O Addresses
Table A-1 shows the I/O address space location of all directly I/O-accessible
registers. In Table A-1 the addresses are listed in hexadecimal notation.
Table A-1. System I/O Addresses
I/O Address
Resource
I/O Address
Resource
0000 – 001F
DMA controller
0170 – 0177
Secondary IDE controller
0020 – 0021
Interrupt controller 1
01F0 – 01F7
Primary IDE controller
0022 – 0040
Unused/reserved
0278 – 027F
Parallel port 2 (relocatable)
0040 – 005F
Programmable timer
02E8 – 02EF
Serial port 4 (relocatable)
0060 & 0064
Keyboard controller
02F8 – 02FF
Serial port 2 (relocatable)
0061
NMI status & control register
0370 – 0377
Secondary diskette
0070
NMI mask bit and RTC index address
0378 – 037F
Parallel port 1 (relocatable)
0071
RTC
03BC – 03BF
Parallel port 3
0072
RTC extended index register
03E8 – 03EF
Serial port 2 (relocatable)
0073
RTC extended data register
03F8 – 03FF
Serial port 1 (relocatable)
0080 – 008F
DMA low page register
0CF8
PCI config address register
0092
Port 92 register
0CFC
PCI data address register
00A0 – 00A1
Interrupt controller 2
0CF9
Reset control
00B2
Advanced pwr management control
04D0 – 04D1
INTC edge/level register
00B3
Advanced power management status
0C00 – 0C7F
Pwr management base address
00C0-00DF
DMA controller
0CA8 – 0CAF
SMIC decoder
00F0
Coprocessor error
0CC0 – 0CCF
SM base address
Summary of Contents for Express5800/180Rb-7
Page 1: ... U s e r s G u i d e EXPRESS5800 180Rb 7 ...
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Page 10: ...viii Contents ...
Page 58: ...2 24 Setting Up the System ...
Page 146: ...4 40 Upgrading Your System ...
Page 166: ...5 20 Problem Solving ...
Page 186: ...10 Glossary ...
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