viii Contents
4-7
Removing the Bottom Base Screws................................................................ 4-10
4-8
Disconnecting the LCD Connectors ............................................................... 4-11
4-9
Removing the Power Button, Rear IR Assembly, Keyboard............................ 4-12
4-10
Disconnecting the Keyboard Cables................................................................ 4-13
4-11
LCD Status Bar, VersaGlide Assembly, Modem Board,
Metal Keyboard Supports .............................................................................. 4-14
4-12
Removing Bridge Battery, CMOS Battery, and Buzzer .................................. 4-16
4-13
Removing the CPU Board.............................................................................. 4-17
4-14
Heat Shield, Sound Board .............................................................................. 4-18
4-15
Removing the I/O Board ................................................................................ 4-19
4-16
NEC Versa Models 6050MH and 6050MX Illustrated
Parts Breakdown............................................................................................ 4-21
A-1
CPU Board Layout ........................................................................................ A-1
A-2
I/O Board Layout........................................................................................... A-2
List of Tables
1-1
Model Configurations .................................................................................... 1-2
1-2
Memory Map ................................................................................................. 1-17
1-3
NEC Versa 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 ...................................................................................... 2-22
2-6
Setup Parameters ........................................................................................... 2-23
2-7
Automatic Power-Saving Features ................................................................. 2-30
3-1
Quick Troubleshooting................................................................................... 3-1
3-2
BIOS Informational Messages........................................................................ 3-4