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52
ET870 Series
User’s Manual
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
Device Description
0x00000A00-0x00000A0F
Motherboard resources
0x00000A10-0x00000A1F
Motherboard resources
0x00000A20-0x00000A2F
Motherboard resources
0x0000002E-0x0000002F
Motherboard resources
0x0000004E-0x0000004F
Motherboard resources
0x00000061-0x00000061
Motherboard resources
0x00000063-0x00000063
Motherboard resources
0x00000065-0x00000065
Motherboard resources
0x00000067-0x00000067
Motherboard resources
0x00000070-0x00000070
Motherboard resources
0x00000070-0x00000070
System CMOS/real time clock
0x00000080-0x0000008F
Motherboard resources
0x00000092-0x00000092
Motherboard resources
0x000000B2-0x000000B3
Motherboard resources
0x00000680-0x0000069F
Motherboard resources
0x00000400-0x0000047F
Motherboard resources
0x00000500-0x000005FE
Motherboard resources
0x00000600-0x0000061F
Motherboard resources
0x0000164E-0x0000164F
Motherboard resources
0x00000378-0x0000037F
Printer Port (LPT1)
0x0000F040-0x0000F05F
Intel(R) Celeron(R)/Pentium(R)
Processor SMBUS - 5AD4
0x0000E000-0x0000EFFF
Intel(R) Celeron(R)/Pentium(R)
Processor PCI Express Root Port -
5ADA
Summary of Contents for ET870 Series
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