
System I/O address specifications—AMD  processors
| I/O address (hex) | System function (shipping configuration) | |
| 
 | 
 | 
 | 
| 000 | - 008 | Direct memory access controller | 
| 
 | 
 | 
 | 
| 000 | - CF7 | PCI Bus | 
| 
 | 
 | |
| 00A - 00F | Direct memory access controller | |
| 
 | 
 | 
 | 
| 010 | - 01F | Motherboard resources | 
| 
 | 
 | 
 | 
| 020 | - 021 | Programmable interrupt controller | 
| 
 | 
 | 
 | 
| 022 | - 03F | Motherboard resources | 
| 
 | 
 | 
 | 
| 040 | - 043 | System timer | 
| 
 | 
 | 
 | 
| 044 | - 05F | Motherboard resources | 
| 
 | 
 | 
 | 
| 060 | - 060 | Standard  | 
| 
 | 
 | 
 | 
| 061 | - 061 | System speaker | 
| 
 | 
 | 
 | 
| 062 | - 062 | Microsoft  | 
| 
 | 
 | 
 | 
| 063 | - 063 | Motherboard resources | 
| 
 | 
 | 
 | 
| 064 | - 064 | Standard  | 
| 
 | 
 | 
 | 
| 065 | - 065 | Motherboard resources | 
| 
 | 
 | 
 | 
| 066 | - 066 | Microsoft  | 
| 
 | 
 | 
 | 
| 067 | - 06F | Motherboard resources | 
| 
 | 
 | 
 | 
| 070 | - 071 | System CMOS/real time clock | 
| 
 | 
 | 
 | 
| 072 | - 073 | Motherboard resources | 
| 
 | 
 | 
 | 
| 074 | - 07f | Motherboard resources | 
| 
 | 
 | 
 | 
| 080 | - 080 | Motherboard resources | 
| 
 | 
 | 
 | 
| 081 | - 083 | Direct memory access controller | 
| 
 | 
 | 
 | 
| 087 | - 087 | Direct memory access controller | 
| 
 | 
 | 
 | 
| 089 | - 08B | Direct memory access controller | 
| 
 | 
 | |
| 08F - 08F | Direct memory access controller | |
| 
 | 
 | 
 | 
| 091 | - 093 | Motherboard resources | 
| 
 | 
 | 
 | 
| 097 | - 09F | Motherboard resources | 
| 
 | 
 | |
| 0A0 - 0A1 | Programmable interrupt controller | |
| 
 | 
 | |
| 0A2 - 0BF | Motherboard resources | |
| 
 | 
 | |
| 0C0 - 0D1 | Direct memory access controller | |
| 
 | 
 | |
| 0D4 - 0DF | Direct memory access controller | |
| 
 | 
 | |
| 0E0 - 0EF | Motherboard resources | |
| 
 | 
 | |
| 0F0 - 0F1 | Numeric data processor | |
| 
 | 
 | |
| 1F0 - 1F7 | ATA Channel 0 | |
| 
 | 
 | 
 | 
108 Chapter 6 Specifications
