Appendix A: I/O Port Address Map - Lead International FPC-7500 User Manual

Appendix A: I/O Port Address Map

Each peripheral device in the system is assigned a set of I/O port addresses
which also becomes the identity of the device.
The following table lists the I/O port addresses used.
Address
00000000 - 00000CF7
00000000 - 00000CF7
00000010 - 0000001F
00000020 - 00000021
00000022 - 0000003F
00000040 - 00000043
00000044 - 0000005F
00000060 - 00000060
00000061 - 00000061
00000062 - 00000063
00000064 - 00000064
00000065 - 0000006F
00000070 - 00000071
00000072 - 0000007F
00000080 - 00000080
00000081 - 00000083
00000084 - 00000086
00000087 - 00000087
00000088 - 00000088
00000089 - 0000008B
0000008C - 0000008E
0000008F - 0000008F
00000090 - 0000009F
000000A0 - 000000A1
Device Description
PCI bus
Direct memory access controller
Motherboard resources
Programmable interrupt controller
Motherboard resources
System Timer
Motherboard resources
Standard 101/102-Key or Microsoft Natural PS/2
Keyboard
System speaker
Motherboard resources
Standard 101/102-Key or Microsoft Natural PS/2
Keyboard
Motherboard resources
System CMOS/real time clock
Motherboard resources
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Motherboard resources
Programmable interrupt controller
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Appendix