3 i/o address map, I/o address map, Come-mbt10 / system resources – Kontron COMe-mBT10 User Manual

Page 46

Advertising
background image

COMe-mBT10 / System Resources

5.3

I/O Address Map

The I/O-port addresses of the 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

Usage

0000-000F

DMA-Controller Master (8237)

0020-0021
024-025

028-029
02C-02D

030-031
034-035

038-039
03C-03D

Interrupt-Controller Master (8259)

002E-002F

External SuperI/O

040-043

050-053

Programmable Interrupt Timer (8253)

04E-04F

TPM

060, 064

KBD Interface-Controller (8042)

061, 063, 065, 067

NMI Controller

070-071

RTC CMOS / NMI mask

072-073

RTC Extended CMOS

080-083

Debug port

0A0-0A1
0A4-0A5

0A8-0A9
0AC-0AD

0B0-0B1
0B4-0B5

0B8-0B9
0BC-0BD

Interrupt-Controller Slave (8259)

0B2-0B3

APM control

279

ISA PnP

295-296

External Hardware monitor, optionally used by external SuperIO if present

2E8-2EF

Serial port COM4 (SIO COM2)

2F8-2FF

Serial port COM2 (onboard COM2)

370-377

Floppy disk controller, optionally used by external SuperIO if present (370h to 371h)

378-37F

Parallel port LPT 1, optionally used by external SuperIO if present

3C0-3CF

VGA/EGA

3E8-3EF

Serial port COM3 (SIO COM1)

3F8-3FF

Serial Port COM1 (onboard COM1)

400-4FF

Chipset internal register I/O area

4D0-4D1

Interrupt-Controller (Slave)

500-5FF

Chipset internal register I/O area

A80-A81

Kontron CPLD control port

CF8

PCI configuration address

CF9

Reset control

CFC-CFF

PCI configuration data

46

Advertising