Appendix A Technical Summary
I/O Port Address Map
ADRESS RANGE (DECIMAL) DESCRIPTION
00000000-0000000F DMA CONTROLLER
00000080-0000009F DMA CONTROLLER
000000C0-000000DF DMA CONTROLLER
00000020-00000021 PROGRAMMABLE INTERRUPT CTRL
000000A0-000000A1 PROGRAMMABLE INTERRUPT CTRL
00000040-00000043 SYSTEM TIMER
00000044-00000047 SYSTEM TIMER
00000060-00000064 KEYBOARD CONTROLLER
00000070-00000073 SYSTEM CMOS/RTC
000000F0-000000FF MATH COPROCESSOR
00000170-00000177 SECONDARY IDE
000001F0-000001F7 PRIMARY IDE
00000274-00000277 ISAPNP READ DATA PORT
00000279-00000A79 ISAPNP CONFIGURATION
000002F8-000002FF COM2 (IF ENABLED)
00000376-00000376 SECONDARY IDE
000003B0-000003BF MDA/MGA
000003C0-000003CF EGA/VGA
000003D4-000003D9 CGA CRT REGISTER
000003F0-000003F7 FLOPPY CONTROLLER
000003F6-000003F6 PRIMARY IDE
000003F8-000003FF COM1 (IF ENABLED)
00000400-0000041F SOUTHBRIDGE SMB
00000480-000004BF SOUTHBRIDGE GPIO
00000800-0000087F ACPI
00000A00-00000A07 PME
00000A10-00000A17 HARDWARE MONITOR
00000CF8 PCI CONFIGURATION ADDRESS
00000CFC PCI CONFIGURATION DATA
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