1-52 Hardware Specifications and ConfigurationsSystem IO Address MapI/O address (hex) System Function (shipping configuration)000 - 01F Direct memory access controller000 - CF7 PCI bus020 - 021 Programmable interrupt controller024 - 025 Programmable interrupt controller028 - 029 Programmable interrupt controller02C - 02D Programmable interrupt controller02E - 02F Motherboard resources030 - 031 Programmable interrupt controller034 - 035 Programmable interrupt controller038 - 039 Programmable interrupt controller03C - 03D Programmable interrupt controller040 - 043 System timer04E - 04F Motherboard resources050 - 053 System timer60 Standard PS/2 Keyboard61 Motherboard resources62 Microsoft ACPI-Compliant Embedded Controller63 Motherboard resources64 Standard PS/2 Keyboard65 Motherboard resources66 Microsoft ACPI-Compliant Embedded Controller67 Motherboard resources070 - 077 System CMOS/real time clock80 Motherboard resources081 - 091 Direct memory access controller92 Motherboard resources093 - 09F Direct memory access controller0A0 - 0A1 Programmable interrupt controller0A4 - 0A5 Programmable interrupt controller0A8 - 0A9 Programmable interrupt controller0AC - 0AD Programmable interrupt controller0B0 - 0B1 Programmable interrupt controller
