APOLLO user manual
Issue G
122
System resources
I/O map
IO location
Functional block
0000H – 001FH
0020H – 002DH
002EH – 002FH
0030H – 003DH
0040H – 0043H
0050H – 0053H
0060H – 0060H
0061H – 0067H
0070H – 0077H
0080H – 0091H
0092H – 0092H
00A0H – 00B1H
00B2H – 00B3H
00B4H – 00BDH
00C0H – 00DFH
00F0H – 00F0H
01F0H – 01F7H
0274H – 0277H
0279H – 0279H
02F8H – 02FFH*
0378H – 037FH*
03B0H – 03BBH
03C0H – 03DFH
03F0H – 03F5H
03F6H – 03F6H
03F7H – 03F7H
03F8H – 03FFH
04D0H – 04D1H
0500H – 057FH
0778H – 077FH
0800H – 080FH
0A79H – 0A79H
0CF8H – 0CFFH
1000H – 107FH
1100H – 111FH
DMA controller 1
Programmable Interrupt controller 1
LPC SuperIO index registers
Programmable Interrupt controller 1
System timer 0
System timer
Keyboard controller
Motherboard resources
System CMOS/RTC
DMA controller 1
Port92 reset control register
Programmable interrupt controller 2
Power management control registers
Programmable interrupt controller 2
DMA controller 2
Coprocessor error register
Primary IDE controller
ISAPNP read data port
ISAPNP read data port
COM2 (default)
LPT1 (default)
Graphics controller
Graphics controller
Floppy disk controller
Primary IDE controller
Floppy disk controller
COM1 (default)
Programmable interrupt controller
SuperIO runtime registers
LPT1 (default)
Motherboards resources
ISAPNP read data port
PCI configuration registers
Motherboard resources
Intel SMBUS controller
* The locations marked with an asterisk in the above table are based on the BIOS
default setups; the IO location of these devices will change if the default BIOS
options are modified.
