A+ cert. interrupt vectors- I/O port addresses

Quiz yourself by guessing what should be in each of the black rectangles below before clicking on it to display the answer.

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Address

Device

Use

000-01F

DMA controller

System

020-03F

Interrupt controller

System

040-05F

Timer/Counter

System

060-06F

Keyboard Controller

System

070-07F

Real-time clock, NMI mask

System

080-09F

DMA page register

System

0A0-0BF

Interrupt controller

System

0F0

Clear math coprocessor busy

System

0F1

Reset math coprocessor

System

0F8-0FF

Math coprocessor

System

170-177

Second IDE controller

I/O

1F0-1F7

First IDE controller

I/O

200-207

Game port

I/O

278-27F

Parellel printer port #2

I/O

2F8-2FF

Serial port #2

I/O

378-37F

Parallel printer port #1

I/O

3B0-3BF

MGA/first printer port

I/O

3D0-3DF

CGA

I/O

3F0-3F7

FDD Controller

I/O

3F8-3FF

Serial port #1

I/O

FF80-FF9F

USB controller

I/O