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System I/O Address Map
Address Range (hex) Description
0x00000000-0x00000CF7 PCI bus
0x00000000-0x00000CF7 Direct memory access controller
0x00000010-0x0000001F Motherboard resources
0x00000020-0x00000021 Programmable interrupt controller
0x00000022-0x0000002D Motherboard resources
0x0000002E-0x0000002F Motherboard resources
0x00000030-0x0000003F Motherboard resources
0x00000040-0x00000043 System timer
0x00000044-0x0000005F Motherboard resources
0x00000060-0x00000060 Standard 101/102-Key or Microsoft® Natural
PS/2® Keyboard
0x00000062-0x00000063 Motherboard resources
0x00000064-0x00000064 Standard 101/102-Key or Microsoft Natural
PS/2 Keyboard
0x00000065-0x0000006F Motherboard resources
0x00000070-0x00000073 System CMOS/real time clock
0x00000074-0x0000007F Motherboard resources
0x00000080-0x00000090 Direct memory access controller
0x00000091-0x00000093 Motherboard resources
0x00000094-0x0000009F Direct memory access controller
0x000000A0-0x000000A1 Programmable interrupt controller
0x000000A2-0x000000BF Motherboard resources
0x000000C0-0x000000DF Direct memory access controller
0x000000E0-0x000000EF Motherboard resources
0x000000F0-0x000000FF Numeric data processor
0x00000170-0x00000177 Secondary IDE Channel
0x000001F0-0x000001F7 Primary IDE Channel
0x00000274-0x00000277 ISAPNP Read Data Port
0x00000279-0x00000279 ISAPNP Read Data Port
0x00000295-0x00000296 Motherboard resources
0x00000376-0x00000376 Secondary IDE Channel
0x00000378-0x0000037F Printer Port (LPT1)
0x000003B0-0x000003BB Intel® 82845 Processor to AGP Controller
0x000003B0-0x000003BB nVIDIA® RIVA TNT Model 64 (Sony)