| System Resource |
Appendix C <System Resource>
C.1 <I/O Address Map>
| Address Range | Device |
| |
| x0000 | - x000F | Direct Memory Access Controller | |
| x0010 - x001F | Motherboard Resource | ||
| x0020 | - x0021 | Programmable Interrupt Controller | |
| x0022 - x003F | Motherboard Resource | ||
| x0040 - x0043 | System Clock | ||
| x0044 - x005F | Motherboard Resource | ||
| x0060 - x0060 | Standard | ||
| x0061 - x0061 | System Speaker | ||
| x0062 | - x0063 | Motherboard Resource | |
| x0064 - x0064 | Standard | ||
| x0065 - x006F | Motherboard Resource | ||
| x0070 - x0073 | System CMOS/ Real Time Clock | ||
| x0074 - x007F | Motherboard Resource | ||
| x0080 - x0090 | Direct Memory Access Controller | ||
| x0091 | - x0093 | Motherboard Resource | |
| x0094 | - x009F | Direct Memory Access Controller | |
| x00A0 - x00A1 | Programmable Interrupt Controller | ||
| x00A2 - x00BF | Motherboard Resource | ||
| x00C0 - x00DF | Direct Memory Access Controller | ||
| x00E0 - x00EF | Motherboard Resource | ||
| x00F0 - x00FF | Numeric Data Processor | ||
| x0170 | - x0177 | Intel(R) 82801DB Ultra ATA Storage Controller - 24CB | |
| x0170 - x0177 | Secondary IDE controller (dual fifo) | ||
| x01F0 - x01F7 | Intel(R) 82801DB Ultra ATA Storage Controller - 24CB | ||
| x01F0 - x01F7 | Primary IDE controller (dual fifo) | ||
| x0294 | - x0297 | Motherboard Resource | |
| x02F8 - x02FF | Communication Port (COM2) | ||
| x0376 | - x0376 | Intel(R) 82801DB Ultra ATA Storage Controller - 24CB | |
| x0376 - x0376 | Secondary IDE controller (dual fifo) | ||
| x0378 - x037F | Printer Port (LPT1) | ||
| x03B0 - x03BB | Intel(R) 82852/82855 GM/GME Graphics Controller | ||
| x03C0 - x03DF | Intel(R) 82852/82855 GM/GME Graphics Controller | ||
| x03F0 - x03F5 | Standard Floppy Controller | ||
| x03F6 - x03F6 | Intel(R) 82801DB Ultra ATA Storage Controller - 24CB | ||
| x03F6 - x03F6 | Primary IDE controller (dual fifo) | ||
| x03F7 - x03F7 | Standard Floppy Controller | ||
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I/O Address Map | 53 |