APPENDIX A. ADDRESS MAPPING
IO ADDRESS MAP
Each peripheral device in the system is assigned a set of I/O port addresses which also becomes the
identity of the device. The following table list the I/O addresses used.
I/O MAP
ASSIGNMENT
0000 - 000F
Direct Memory Access controller
0010 - 001F
Motherboard resources
0020 - 0021
Programmable interrupt controller
0022 - 003F
Motherboard resources
0040 - 0043
System timer
0044 - 005F
Motherboard resources
0060 - 0060
Standard 101/102 – key or Microsoft Natural Kayboard
0061 - 0061
System speaker
0062 - 0063
Motherboard resources
0064 - 0064
Standard 101/102 – key or Microsoft Natural Kayboard
0065 - 006F
Motherboard resources
0070 - 0073
System CMOS/real time clock
0074 - 007F
Motherboard resources
0080 - 0090
Direct Memory Access controller
0091 - 0093
Motherboard resources
0094 - 009F
Direct Memory Access controller
00A0 - 00A1
Programmable interrupt controller
00A2 - 00BF
Motherboard resources
00C0 - 00DF
Direct Memory Access controller
00E0 - 00EF
Motherboard resources
00F0 - 00FF
Numeric data processor
0170 - 0177
Secondary IDE Channel
01F0 - 01F7
Primary IDE Channel
0274 - 0277
ISAPNP Read Data Port
0279 - 0279
ISAPNP Read Data Port
02F8 - 02FF
Communication Port (COM2)
0376 - 0376
Secondary IDE Channel
0378 - 037F
Print Port (LPT1)
03B0 - 03BA
Advance Micro Device Win XP Graphics Driver
03C0 - 03DF
Advance Micro Device Win XP Graphics Driver
03F6 - 03F6
Primary IDE Channel
03F8 - 03FF
Communication Port (COM1)
04D0 - 04D1
Motherboard resources
0800 - 0805
Motherboard resources
0A79 - 0A79
ISAPNP Read Data Port
0D00 – AC17
PCI bus
AC20 - FFFF
PCI bus
FC00 – FCFF
Realtek RTL8139 Family PCI Fast Ethernet NIC
FE00 – FE7F
Geode LX Audio Driver (WDM)
Содержание AR-B1572
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