AMD SB600 User Manual

Page 197

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©2008 Advanced Micro Devices, Inc.

IDE Controller (Device 20, Function 1)

AMD SB600 Register Reference Manual

Proprietary

Page 197

Address (hex)

Name and Function

Compatibility Mode

Native Mode (Offset)

Read Function

Write Function

1F1

Base Address 0 + 1

Error register

Features register

1F2

Base Address 0 + 2

Sector Count

Sector Count

1F3

Base Address 0 + 3

Sector Number

Sector Number

1F4

Base Address 0 + 4

Cylinder Low

Cylinder Low

1F5

Base Address 0 + 5

Cylinder High

Cylinder High

1F6

Base Address 0 + 6

Drive/Head

Drive/Head

1F7

Base Address 0 + 7

Status

Command

IDE Control Block Registers
Primary

3F6

Base Address 1 + 2

Alternate Status

Device Control

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