Intel Notebook Computer 7200 Manuel d'utilisateur télécharger pdf (Page 4)

4

I/O Address Map

Hex range

Device

000 - 00F

DMA controller-1

020 - 021

Interrupt controller-1

040 - 043

Timer 1

048 - 04B

Timer 2

060 - 06E

KB controller M38813 chip select

070 - 071

RTC and NMI mask

080 - 08F

DMA page register

0A0 - 0A1

Interrupt controller-2

0C0 - 0DF

DMA controller-2

1F0 - 1F7

Fixed disk select

3F6 , 3F7

2F8 - 2FF

Serial port 2

378 - 37A

Parallel port 1

3B4 , 3B5

CRT controller index (mono)

3D4 , 3D5

CRT controller index (color)

3BA

Feature control

3C0 - 3DA

3F2 - 3F7

Floppy disk controller

3F0 , 3F1

Configuration port

3F8 - 3FF

Serial port 1

System Memory Map

Address Size Function

000000 - 09FFFF 640KB 640KB Base Memory

0A0000 - 0BFFFF 128KB Video RAM

0C0000 - 0CBFFF 48KB VGA BIOS

0CC000 - 0DFFFF 80KB Reserved

0E0000 - 0EFFFF 64KB Reserved

0F0000 - 0FFFFF 64KB System BIOS for Kernel

100000 - 15MB to

127MB

Extended Memory

1 2 3 4 5 6 7 8 9 ... 46 47

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