Compaq 4000N User Manual
Page 7
Technical Reference Guide
Compaq Deskpro 4000N and 4000S Personal Computers
First Edition – September 1997
v
5.6
KEYBOARD/POINTING DEVICE INTERFACE ............................................................... 5-28
5.6.1
KEYBOARD INTERFACE OPERATION ................................................................... 5-28
5.6.2
POINTING DEVICE INTERFACE OPERATION ....................................................... 5-30
5.6.3
KEYBOARD/POINTING DEVICE INTERFACE PROGRAMMING ......................... 5-30
5.6.4
KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR................................ 5-34
5.7
ETHERNET INTERFACE................................................................................................... 5-35
5.7.1
NIC CONFIGURATION/CONTROL ........................................................................... 5-36
5.7.2
NIC CONNECTORS.................................................................................................... 5-36
5.8
UNIVERSAL SERIAL BUS INTERFACE........................................................................... 5-37
5.8.1
USB CONFIGURATION.............................................................................................. 5-37
5.8.2
USB CONTROL........................................................................................................... 5-38
5.8.3
USB CONNECTOR ..................................................................................................... 5-38
CHAPTER 6 GRAPHICS SUBSYSTEM...............................................................................................
6.1
INTRODUCTION.................................................................................................................. 6-1
6.2
SUBSYSTEM DESCRIPTION .............................................................................................. 6-2
6.2.1
S3 TRIO64V2/GX GRAPHICS CONTROLLER ........................................................... 6-2
6.2.2
S3 TRIO64V2/GX GRAPHICS CONFIGURATIONS ................................................... 6-3
6.2.3
S3 TRIO64V2/GX GRAPHICS SUBSYSTEM PROGRAMMING................................. 6-4
6.2.4
MONITOR POWER CONTROL .................................................................................... 6-5
6.2.5
CONNECTORS ............................................................................................................. 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
3.5/5/12 VDC DISTRIBUTION...................................................................................... 7-4
7.3.2
LOW VOLTAGE DISTRIBUTION................................................................................ 7-5
7.4
SIGNAL DISTRIBUTION ..................................................................................................... 7-6
CHAPTER 8 BIOS ROM .......................................................................................................................
8.1
INTRODUCTION.................................................................................................................. 8-1
8.2
BOOT FUNCTIONS.............................................................................................................. 8-2
8.2.1
BOOT BLOCK............................................................................................................... 8-2
8.2.2
QUICKBOOT................................................................................................................. 8-2
8.2.3
SILENTBOOT ............................................................................................................... 8-2
8.3
ACCESSING CONFIGURATION MEMORY ....................................................................... 8-3
8.3.1
ACCESSING CMOS...................................................................................................... 8-3
8.3.2
SETTING DEFAULT PARAMETERS .......................................................................... 8-3
8.3.3
ACCESSING CMOS FEATURE BITS........................................................................... 8-4