iii
Contents
Preface......................................................................................................................... xi
Abbreviation ................................................................................................................ xiii
Section 1 Technical Information
Hardware Overview—Front......................................................................................... 1-2
Liquid Crystal Display (LCD)................................................................................ 1-3
Power Button and Status LEDs............................................................................. 1-4
Keyboard .............................................................................................................. 1-6
NEC VersaGlide ................................................................................................... 1-6
UltraSlim VersaBay .............................................................................................. 1-7
Hardware Overview—Sides of the system.................................................................... 1-7
Around the Bottom of the System......................................................................... 1-9
Around the Back of the System............................................................................. 1-10
Hardware Overview—Internal Components .................................................................1-11
Battery Pack ......................................................................................................... 1-11
Hard Disk Drive.................................................................................................... 1-12
Diskette Drive....................................................................................................... 1-12
20X CD-ROM Reader .......................................................................................... 1-12
CPU Board ........................................................................................................... 1-12
Audio Board ......................................................................................................... 1-12
Main Board........................................................................................................... 1-12
Bridge Battery ...................................................................................................... 1-13
System Memory........................................................................................................... 1-13
Memory Map ........................................................................................................ 1-13
System Video............................................................................................................... 1-14
Parallel Interface .......................................................................................................... 1-14
Serial Interface............................................................................................................. 1-14
NEC Versa Chip Set .................................................................................................... 1-15
Intel Pentium P55CLM Microprocessor ................................................................ 1-15
FireStar System Controllers .................................................................................. 1-15
USB Controllers ...................................................................................................1-15
256K X Flash ROM .............................................................................................. 1-16
ROM BIOS....................................................................................................1-16
VGA Controller ....................................................................................................1-16
Parallel Interface ...................................................................................................1-17