Compaq iPAQ Internet Device

Technical Reference Guide

Compaq iPAQ Family of Internet Devices

First Edition - March 2000

5.7 UNIVERSAL SERIAL BUS INTERFACE...........................................................................5-22

5.7.1 USB DATA FORMATS............................................................................................... 5-22

5.7.2 USB PROGRAMMING................................................................................................5-24

5.7.3 USB CONNECTOR ..................................................................................................... 5-25

5.7.4 USB CABLE DATA.....................................................................................................5-25

5.8 AUDIO SUBSYSTEM......................................................................................................... 5-26

5.8.1 FUNCTIONAL ANALYSIS .........................................................................................5-26

5.8.2 AC97 AUDIO CONTROLLER.....................................................................................5-28

5.8.3 AC97 LINK BUS .........................................................................................................5-28

5.8.4 AUDIO CODEC...........................................................................................................5-29

5.8.5 AUDIO PROGRAMMING...........................................................................................5-30

5.8.6 AUDIO SPECIFICATIONS......................................................................................... 5-31

5.9 NETWORK INTERFACE CONTROLLER..........................................................................5-32

5.9.1 WAKE ON LAN..........................................................................................................5-33

5.9.2 ALERT ON LAN......................................................................................................... 5-33

5.9.3 POWER MANAGEMENT SUPPORT.......................................................................... 5-34

5.9.4 NIC PROGRAMMING.................................................................................................5-35

CHAPTER 6 GRAPHICS SUBSYSTEM...............................................................................................

6.1 INTRODUCTION.................................................................................................................. 6-1

6.2 FUNCTIONAL DESCRIPTION............................................................................................. 6-2

6.2.1 FEATURE SUMMARY................................................................................................. 6-3

6.3 DISPLAY MODES................................................................................................................6-4

6.4 UPGRADING........................................................................................................................6-4

6.5 PROGRAMMING..................................................................................................................6-5

6.5.1 CONFIGURATION........................................................................................................6-5

6.5.2 CONTROL.....................................................................................................................6-5

6.6 MONITOR POWER MANAGEMENT CONTROL ...............................................................6-6

6.7 MONITOR CONNECTOR .................................................................................................... 6-6

CHAPTER 7 POWER SUPPLY AND DISTRIBUTION.......................................................................

7.1 INTRODUCTION.................................................................................................................. 7-1

7.2 POWER SUPPLY ASSEMBLY/CONTROL..........................................................................7-1

7.2.1 POWER SUPPLY ASSEMBLY......................................................................................7-2

7.2.2 POWER CONTROL.......................................................................................................7-3

7.3 POWER DISTRIBUTION......................................................................................................7-4

7.3.1 3.3/5/12 VDC DISTRIBUTION......................................................................................7-4

7.3.2 LOW VOLTAGE DISTRIBUTION................................................................................7-4

7.4 SIGNAL DISTRIBUTION .....................................................................................................7-5