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5.6 KEYBOARD/POINTING
DEVICE
INTERFACE................................................................... 5-16
5.6.1 KEYBOARD INTERFACE OPERATION ...................................................................... 5-16
5.6.2 POINTING DEVICE INTERFACE OPERATION.......................................................... 5-18
5.6.3 KEYBOARD/POINTING DEVICE INTERFACE PROGRAMMING.......................... 5-18
5.6.4 KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR................................. 5-21
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 SUPPORT............................................................................................. 5-33
5.9.2 ALERT ON LAN SUPPORT............................................................................................ 5-33
5.9.3 POWER MANAGEMENT SUPPORT............................................................................. 5-34
5.9.4 NIC PROGRAMMING..................................................................................................... 5-35
5.9.5 NIC CONNECTOR........................................................................................................... 5-36
5.9.6 NIC SPECIFICATIONS ................................................................................................... 5-36
CHAPTER 6 POWER SUPPLY AND DISTRIBUTION...........................................................................
6.1 INTRODUCTION....................................................................................................................... 6-1
6.2 POWER
SUPPLY
ASSEMBLY/CONTROL ............................................................................. 6-1
6.2.1 POWER SUPPLY ASSEMBLY......................................................................................... 6-2
6.2.2 POWER CONTROL ........................................................................................................... 6-3
6.3 POWER
DISTRIBUTION .......................................................................................................... 6-5
6.3.1 3.3/5/12 VDC DISTRIBUTION.......................................................................................... 6-5
6.3.2 LOW VOLTAGE PRODUCTION/DISTRIBUTION ........................................................ 6-7
6.4 SIGNAL
DISTRIBUTION.......................................................................................................... 6-8
CHAPTER 7 BIOS ROM..............................................................................................................................
7.1 INTRODUCTION....................................................................................................................... 7-1
7.2 ROM
FLASHING ....................................................................................................................... 7-2
7.2.1 UPGRADING...................................................................................................................... 7-2
7.2.2 CHANGEABLE SPLASH SCREEN.................................................................................. 7-3
7.3 BOOT
FUNCTIONS................................................................................................................... 7-4
7.3.1 BOOT DEVICE ORDER.................................................................................................... 7-4
7.3.2 NETWORK BOOT (F12) SUPPORT................................................................................. 7-4
7.3.3 MEMORY DETECTION AND CONFIGURATION ........................................................ 7-5
7.3.4 BOOT ERROR CODES...................................................................................................... 7-5
7.4 SETUP
UTILITY ........................................................................................................................ 7-4
Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor
Second Edition - January 2003
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