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Technical Reference Guide
Compaq iPAQ Family of Internet Devices
First Edition - March 2000
v
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