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I/o address map, 3 i/o address map – Kontron COMe-cSP2 User Manual

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COMe-cSP2

/ System Ressources



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7.3 I/O Address Map

The I/O-port addresses of the COMe-cSP2 are functionally identical to a standard PC/AT. All addresses not mentioned
in this table should be available. We recommend that you do not use I/O addresses below 0100h with additional
hardware for compatibility reasons, even if available.

I/O Address

Used for

Available

Comment

0000 - 001F

System
Ressources

No

Fixed

0020 - 003F

Interrupt
Controller 1

No

Fixed

002E - 002F

WB 83627

No

Fixed if WB83627HG is in system

0040 - 005F

Timer, Counter

No

Fixed

004E - 004F

TPM

No

Fixed if TPM is in system

0060 - 006F

Keyboard
controller

No

Fixed

0070 - 007F

RTC and CMOS
Registers

No

Fixed

0080

BIOS Postcode

No

Fixed

0081 - 008F

DMA Page Register No

Fixed

00A0 - 00BF

Interrupt
Controller 2

No

Fixed

00C0 - 00DF

DMA Controller 2

No

Fixed

00E0 - 00EF

System Control

No

Fixed

00F0 - 00FF

Math Coprocessor

No

Fixed

0170 – 0177
0376

Fixed Disk

No

Available if IDE port 1 is disabled

01F0 - 01F7
03F6

Fixed Disk

No

Available if IDE port 1 is disabled

0290-0295

WB83627 HWM

No

Fixed if WB83627HG is in system

03B0 - 03DF

VGA

No

Fixed

0400 - 043F

SMBus

No

Fixed

0480 - 04BF

GPIO

No

Fixed

04D0 - 04D1

PIC Extension

No

Fixed

0900 - 091F

Power
Management

No

Fixed

09C0 - 09FF

GPE

No

Fixed

0A05 – 0A06

WB83627HG
Hardware Monitor

No

Fixed if WB83627HG is in system

0A80 – 0A81

CPLD

No

in Future versions

C000 - CFFF

PCIe-to-PCI bridge No

Dynamic (BIOS default address)

0CF8 - 0CFF

PCI Configuration

No

Fixed

D000 - DFFF

PCIe-to-PCI bridge No

Dynamic (BIOS default address)

D880 - D88F

Sil SATA Controller No

Dynamic (BIOS default address)

E080 - E09F

PCI USB Controller No

Dynamic (BIOS default address)

E480 - E49F

PCI USB Controller No

Dynamic (BIOS default address)

E880 - E887

VGA

No

Dynamic (BIOS default address)

EF00 - EF1F

PCI USB Controller No

Dynamic (BIOS default address)

FFA0 - FFAF

PCI IDE Controller

No

Dynamic (BIOS default address)