A technical reference, A.1 i/o map – Endura RADISYS KP915GV User Manual

Page 106

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KP915GV Product Manual

106

A Technical

Reference

A.1 I/O

Map

Table 8. I/O Map

Address (hex)*

Description

0000 – 000F

DMA controller 1

0020 – 0021

Interrupt controller 1

002E – 002F

SIO control registers

0040 – 0043

Timer counter

0060 – 0064

Keyboard and mouse controller

0062, 0066

Motherboard control registers

0070 – 0071

RTC and CMOS RAM

0080 – 008F

DMA controller page registers (for channels 1 and 2)

0092

PC compatible Port 92 (fast A20 and PIC)

00A0 – 00A1

Interrupt controller 2

00B2 – 00B3

Advanced power management (APM) control registers

00C0 – 00DF

DMA controller 2

00F0

Floating point error control

0170 – 0177

Secondary IDE controller

01F0 – 01F7

Primary IDE controller

0278 –027F

Parallel port, LPT2

02E8 – 02EF

COM4 serial port

02F8 – 02FF

COM2 serial port

0374 – 0376

Secondary IDE controller

0378 –037F

Parallel port, LPT1

x3B0 – x3BB

VGA controller

x3C0 – x3CF

EGA controller registers

x3D4 – x3DA

CGA controller registers

03F0 – 03F5

Flexible diskette controller

03F6 – 03F7

Primary IDE controller

03E8 – 03EF

COM3 serial port

03F8 – 03FF

COM1 serial port

04D0 – 04D1

Interrupt controller

0678 – 067A

ECP registers for parallel port LPT2

0778 – 077A

ECP registers for parallel port LPT1

0CF8 – 0CFF

PCI configuration address and data registers

1000 – 105F

ACPI registers

1060 – 107F

TCO controller

1200 – 12FF

AC97 audio mixer

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