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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
6.1.1
FEATURE SUMMARY...................................................................................................... 6-1
6.2
FUNCTIONAL DESCRIPTION................................................................................................. 6-2
6.2.1
DISPLAY MODES ............................................................................................................. 6-4
6.3
PROGRAMMING....................................................................................................................... 6-5
6.4
MONITOR POWER MANAGEMENT CONTROL .................................................................. 6-5
6.5
MONITOR CONNECTOR ......................................................................................................... 6-6
6.6
UPGRADING GRAPHICS ......................................................................................................... 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 ................................................................................... 7-6
7.4
SIGNAL DISTRIBUTION.......................................................................................................... 7-7
CHAPTER 8 BIOS ROM ..............................................................................................................................
8.1
INTRODUCTION ....................................................................................................................... 8-1
8.2
IPAQ 2.0 FEATURES................................................................................................................. 8-2
8.3
DESKTOP MANAGEMENT SUPPORT ................................................................................... 8-3
8.3.1
SYSTEM ID ........................................................................................................................ 8-4
8.3.2
EDID RETRIEVE ............................................................................................................... 8-5
8.3.3
DRIVE FAULT PREDICTION........................................................................................... 8-5
8.3.4
SYSTEM MAP RETRIEVAL............................................................................................. 8-6
8.3.5
FLASH ROM FUNCTIONS ............................................................................................... 8-7
8.3.6
POWER BUTTON FUNCTIONS....................................................................................... 8-7
8.3.7
ACCESSING CMOS........................................................................................................... 8-8
8.3.8
ACCESSING CMOS FEATURE BITS .............................................................................. 8-8
8.3.9
SECURITY FUNCTIONS ................................................................................................ 8-10
8.4
MEMORY DETECTION AND CONFIGURATION............................................................... 8-11
Compaq iPAQ Series of Desktop Personal Computers
Second Edition - February 2001
Technical Reference Guide
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