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I/o address list – Planar C3215 User Manual

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I/O Address List

Never attempt to access an I/O address for which no device exists.

I/O Address

Device

0000 to 000F

DMA controller 1

0020 to 0021

Interrupt controller 1

002E

Super I/O #2

002F

Configuration

0040 to 0043

System timer

0060 to 0064

Keyboard controller, NMI status and control is at 0061

0070 to 0071

Real-time clock, NMI mask

0080 to 0087

DMA controller 1

0088 to 008F

DMA controller 2

00A0 to 00A1

Interrupt controller 2

00B2 to 00B3

Power management

00C0 to 00DE

DMA controller 2

00F0 to 00FF

Coprocessor

015C

Super I/O #1

015D

Configuration

01F0 to 01F7

Primary IDE

02E8 to 02EF

Serial port COM4

02F8 to 02FF

Serial port COM2

03B4 to 03DA

VGA controller

03E8 to 03EF

Serial port COM3

03F0 to 03F3

Floppy disk controller

03F4 to 03F6

Primary IDE

03F7

Floppy disk controller

03F8 to 03FF

Serial port COM1

04D0 to 04D1

Interrupt controller

0CF8 to 0CFF

PCI configuration

Note: Other I/O resources such as USB, Bus Master IDE, Ethernet, Cardbus, PM registers, and
SM registers are dynamically configured at power on reset (POST).

Appendix B: Programming Interface

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CS II Manual LAYOUT#2304 3/25/99 11:16 AM Page 35