beautypg.com

I/o address map, Table 3-3 – ADLINK Express-CBR User Manual

Page 26

background image

Chapter 3

Hardware

22

Reference Manual

Express-CBR

I/O Address Map

Table 3-3

shows the I/O address map.

NOTE

Table 3-3

is only for reference. I/O addresses are tied to the specific legacy

Super I/O device residing on the baseboard. This table can be used with the
baseboard in ADLINK’s Quick Start Kit.

Table 3-3. I/O Address Map

Address (hex)

Subsystem

0000-000F

Primary DMA Controller

0020-0021

Master Interrupt Controller

0040-0043

Programmable Interrupt Timer (Clock/Timer)

004E-004F

TPM (Trusted Platform Module)

0060

Keyboard Controller*

0061

NMI, Speaker control

0063

NMI Controller

0064

Keyboard Controller*

0065

NMI Controller

0067

NMI Controller

0070-007F

CMOS RAM, NMI Mask Reg, RT Clock

0080

System reserved

0081-0083

DMA Page Registers

0084-0086

System reserved

0087

DMA Page Register

0088

System reserved

0089-008B

DMA Page Registers

008C-008E

System reserved

008F

DMA Page Register

0090-0091

System reserved

0092

Fast A20 gate and CPU reset*

0093-009F

System reserved

00A0-00A1

Slave Interrupt Controller

00A2-00BF

System reserved

00C0-00DF

Slave DMA Controller #2

00E0-00EF

System reserved

00F0-00FF

Math Coprocessor

01F0-01F7

IDE Hard Disk Controller

02E8-02EF

Serial Port 4 (COM4)*

02F8-02FF

Serial Port 2 (COM2)*

0378-037F

Parallel Port (Standard and EPP)*

03B0-03BB

Video (monochrome)

03C0-03DF

Video (VGA)