Intel D850GB ユーザーズマニュアル

76  

0000 - 000F

16 bytes

DMA controller

0020 - 0021

2 bytes

Programmable Interrupt Control (PIC)

0040 - 0043

4 bytes

System timer

0060

1 byte

Keyboard controller byte—reset IRQ

0061

1 byte

System speaker

0064

1 byte

Keyboard controller, CMD/STAT byte

0070 - 0071

2 bytes

System CMOS/Real-time clock

0072 - 0073

2 bytes

CMOS bank 1

0080 - 0090

DMA controller

0094 - 009F

DMA controller

00A0 - 00A1

2 bytes

PIC

00B2 - 00B3

2 bytes

APM control

00C0 - 00DE

31 bytes

DMA

00F0 - 00FF

Numeric data processor

0170 - 0177

8 bytes

Secondary IDE channel

01F0 - 01F7

8 bytes

Primary IDE channel

One of these ranges:
0200 - 0207
0208 - 020F
0210 - 0217
0218 - 021F

Can vary from 1 byte
to 8 bytes

Audio/game port

0220 - 022F

16 bytes

Audio (Sound Blaster Pro

†

-compatible)

0240 - 024F

16 bytes

Audio (Sound Blaster Pro-compatible)

0240 - 024F

16 bytes

Audio (Sound Blaster-compatible)

0278 - 027F*

8 bytes

LPT2

0228 - 022F*

8 bytes

LPT3

02E8 - 02EF*

8 bytes

COM4/Video (8514A)

02F8 - 02FF*

8 bytes

COM2

One of these ranges:
0320 - 0327
0330 - 0337
0340 - 0347
0350 - 0357

8 bytes

MPU-401 (MIDI)

0376

1 byte

Secondary IDE channel command port

continued