Intel D810EMO, MO810E 2.3 I/O Map

Intel Desktop Board D810EMO/MO810E Technical Product Specification

2.3 I/O Map

Table 12. I/O Map

Address (hex)		Size	Description
0000	– 000F	16 bytes	DMA Controller
0020	– 0021	2 bytes	Programmable Interrupt Control (PIC)
0040 – 0043		4 bytes	System Timer
0060		1 byte	Keyboard controller byte – reset IRQ
0061		1 byte	System Speaker
0064		1 byte	Keyboard controller, CMD/STAT byte
0070 – 0071		2 bytes	System CMOS / Real Time Clock
0072 – 0073		2 bytes	System CMOS
0080	– 008F	16 bytes	DMA Controller
0092		1 byte	Fast A20 and PIC
00A0 – 00A1		2 bytes	PIC
00C0 – 00DF		32 bytes	DMA
00F0		1 byte	Numeric data processor
0170	– 0177	8 bytes	Secondary IDE channel
01F0 – 01F7		8 bytes	Primary IDE channel
02E8 – 02EF1		8 bytes	COM4/video (8514A)
02F8 – 02FF1		8 bytes	COM2
0376		1 byte	Secondary IDE channel command port
0377, bits 6:0		7 bits	Secondary IDE channel status port
03B0 – 03BB		12 bytes	Intel 82810E – DC133 Graphics/Memory Controller Hub (GMCH)
03C0 – 03DF		32 byte	Intel 82810E – Graphics/Memory Controller Hub (GMCH)
03E8 – 03EF		8 bytes	COM3
03F6		1 byte	Primary IDE channel command port
03F8 – 03FF		8 bytes	COM1
04D0 – 04D1		2 bytes	Edge/level triggered PIC
0CF8 – 0CFB2		4 bytes	PCI configuration address register
0CF93		1 byte	Turbo and reset control register
0CFC – 0CFF		4 bytes	PCI configuration data register
FFA0 – FFA7		8 bytes	Primary bus master IDE registers
FFA8 – FFAF		8 bytes	Secondary bus master IDE registers

continued

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