NEC VERSA P - Table of Contents

iii
Contents
Preface ........................................................................................................................ xiii
Abbreviations .............................................................................................................. xv
Section 1 Technical Information
Hardware Overview..................................................................................................... 1-2
Liquid Crystal Display (LCD) ............................................................................... 1-3
CPU Board........................................................................................................... 1-4
System Board....................................................................................................... 1-4
Primary Battery .................................................................................................... 1-4
Secondary Battery ................................................................................................ 1-4
CMOS Battery...................................................................................................... 1-5
Bridge Battery...................................................................................................... 1-5
VersaBay PCMCIA Module Option...................................................................... 1-5
Keyboard.............................................................................................................. 1-5
VersaTrack........................................................................................................... 1-5
System Memory........................................................................................................... 1-6
Memory Map........................................................................................................ 1-6
System Video .............................................................................................................. 1-7
Parallel Interface.......................................................................................................... 1-13
Serial Interface ............................................................................................................ 1-13
Versa P Series Chip Set............................................................................................... 1-13
System Logic........................................................................................................ 1-14
Flash ROM........................................................................................................... 1-14
ROM BIOS .................................................................................................. 1-14
Peripheral Controller............................................................................................. 1-15
VGA Controller........................................................................................................... 1-15
Video Controller Architecture....................................................................... 1-15
Diskette Controller, Serial Interface, Parallel Interface.......................................... 1-16
Keyboard Controller............................................................................................. 1-16
PCMCIA Controller ............................................................................................. 1-16
Audio Controller................................................................................................... 1-17
I/O Addressing ..................................................................................................... 1-17
Interrupt Controllers............................................................................................. 1-18