viii Contents
4-12
Removing Bridge Battery, CMOS Battery and Buzzer ................................... 4-15
4-13
Removing the CPU Board ............................................................................. 4-16
4-14
Heat Shield, Sound Board, Microphone Assembly ......................................... 4-18
4-15
Removing the I/O Board................................................................................ 4-19
4-16
NEC Versa 6000 Illustrated Parts Breakdown ............................................... 4-20
A-1
CPU Board Layout........................................................................................ A-1
List of Tables
1-1
Model Configurations ....................................................................................
1-1
1-2
Memory Map................................................................................................. 1-17
1-3
NEC Versa 6000 Series Chip Types and Technologies................................... 1-18
1-4
Interrupt Controllers...................................................................................... 1-21
1-5
Automatic Power-Saving Features ................................................................. 1-22
1-6
Maximum Performance Default Settings ........................................................ 1-24
1-7
Specifications ................................................................................................ 1-25
2-1
I/O Connector Descriptions ...........................................................................
2-3
2-2
Control and Switch Functions........................................................................ 2-12
2-3
FnKey Operations.......................................................................................... 2-14
2-4
POST Error Messages ................................................................................... 2-18
2-5
Setup Key Functions...................................................................................... 2-21
2-6
Setup Parameters........................................................................................... 2-22
2-7
Automatic Power-Saving Features ................................................................. 2-28
3-1
Quick Troubleshooting ..................................................................................
3-1
3-2
BIOS Informational Messages .......................................................................
3-4
3-3
BIOS Beep Codes .........................................................................................
3-6
4-1
NEC Versa 6000 Series Disassembly Sequence..............................................
4-4
4-2
NEC Versa 6000 Series Field-Replaceable Parts ............................................ 4-21
4-3
NEC Service and Information Telephone Numbers ........................................ 4-23
A-1
CPU Board Connectors ................................................................................. A-2
A-2
Keyboard/Mouse Connectors......................................................................... A-2
A-3
Serial Port Connector Pin Assignments .......................................................... A-3
A-4
CRT Connector Pin Assignments................................................................... A-3