System IO Address Map
I/O address (hex) | System Function (shipping configuration) |
0000 - 001F | Direct Memory Access Controller |
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0000- 0CF7 | PCI bus |
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0020- 0021 | Programmable Interrupt Controller |
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0024- 0025 | Programmable Interrupt Controller |
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0028- 0029 | Programmable Interrupt Controller |
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002C - 002D | Programmable Interrupt Controller |
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002E - 002F | Motherboard resources |
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0030- 0031 | Programmable Interrupt Controller |
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0034- 0035 | Programmable Interrupt Controller |
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0038- 0039 | Programmable Interrupt Controller |
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003C - 003D | Programmable Interrupt Controller |
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0040 - 0043 | System Timer |
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004E - 004F | Motherboard resources |
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0050- 0053 | System Timer |
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0060- 0060 | Standard PS/2 Keyboard |
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0061- 0061 | Motherboard resources |
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0062- 0062 | Microsoft |
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0063- 0063 | Motherboard resources |
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0064- 0064 | Standard PS/2 Keyboard |
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0065- 0065 | Motherboard resources |
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0066- 0066 | Microsoft |
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0067- 0067 | Motherboard resources |
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0068- 006F | Motherboard resources |
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0070- 0070 | Motherboard resources |
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0070- 0077 | System CMOS/real time clock |
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0080- 0080 | Motherboard resources |
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0081- 0091 | Direct Memory Access Controller |
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0092- 0092 | Motherboard resources |
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0093- 009F | Direct Memory Access Controller |
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00A0- 00A1 | Programmable Interrupt Controller |
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00A4- 00A5 | Programmable Interrupt Controller |
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00A8- 00A9 | Programmable Interrupt Controller |
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Hardware Specifications and Configurations |
