User`s manual
User’s Manual
102 ECM-5716 Series User’s Manual
I/O – Map
Certain I/O addresses are subject to change during boot as PnP managers may relocate
devices or functions. The addresses shown in the table are typical locations.
I/O Port Description Note
00000000 – 00000CF7
PCI bus
00000000 - 0000000F Direct memory access controller
00000010 - 0000001F Motherboard resources
00000020 – 00000021
Programmable interrupt controller
00000022 - 0000003F Motherboard resources
00000040 – 00000043
System timer
00000044 - 0000005F Motherboard resources
00000060 – 00000060
Standard 101/102-Key or Microsoft Natural PS/2
00000061 – 00000061
System speaker
00000062 – 00000063
Motherboard resources
00000064 – 00000064
Standard 101/102-Key or Microsoft Natural PS/2
00000065 - 0000006F Motherboard resources
00000070 – 00000073
System CMOS/real time clock
00000074 - 0000007F Motherboard resources
00000080 – 00000090
Direct memory access controller
00000091 – 00000093
Motherboard resources
00000094 - 0000009F Direct memory access controller
000000A0 - 000000A1
Programmable interrupt controller
000000A2 - 000000BF
Motherboard resources
000000C0 - 000000DF
Direct memory access controller
000000E0 - 000000EF
Motherboard resources
000000F0 - 000000FF
Numeric data processor
00000170 – 00000177
Secondary IDE Channel
000001F0 - 000001F7
Primary IDE Channel
00000274 - 00000277 ISAPNP Read Data Port
00000279 - 00000279 ISAPNP Read Data Port
000002F8 - 000002FF
Communications Port (COM2)
00000376 - 00000376 Secondary IDE Channel
00000378 - 0000037F Printer Port (LPT1)
000003B0 - 000003BB
Intel(R) 82852/82855 GM/GME Graphics Controller
000003C0 - 000003DF
Intel(R) 82852/82855 GM/GME Graphics Controller
000003F0 - 000003F5
Standard floppy disk controller
000003F6 - 000003F6
Primary IDE Channel
000003F7 - 000003F7
Standard floppy disk controller
000003F8 - 000003FF
Communications Port (COM1)
00000400 - 000004BF
Motherboard resources
000004D0 - 000004D1
Motherboard resources
00000500 - 0000051F Intel(R) 82801DB/DBM SMBus Controller - 24C3
00000778 - 0000077B Printer Port (LPT1)
00000A78 - 00000A7B
Motherboard resources