Table Of Contents - NEC IMAGE P100E Service Manual

Contents
Preface.............................................................................................................................
Abbreviations .................................................................................................................. xvii
Section 1 Technical Information
System Unit..................................................................................................................... 1-1
System Board ........................................................................................................... 1-2
Chipset .............................................................................................................
PCI and Memory Controller (PCMC)....................................................
Local Bus Accelerators ..........................................................................
PCI-EISA Bridge Component ................................................................
EISA System Component (ESC)............................................................
Bus Architecture ..............................................................................................
Host Bus .......................................................................................................
PCI Bus ........................................................................................................
EISA Bus......................................................................................................
XD Bus.........................................................................................................
System Memory Bus ....................................................................................
Processor..........................................................................................................
Secondary Cache.............................................................................................. 1-10
Flash ROM....................................................................................................... 1-10
On-Board Peripherals ...................................................................................... 1-12
SCSI Circuitry .............................................................................................. 1-12
IDE Controller.............................................................................................. 1-12
Video Circuitry............................................................................................. 1-12
EISA SRAM................................................................................................. 1-12
Real-Time Clock (RTC)............................................................................... 1-13
System I/O Controller ...................................................................................... 1-13
I/O Mapping..................................................................................................... 1-13
NEC Proprietary Ports ..................................................................................... 1-15
Keyboard Controller Ports ............................................................................... 1-20
System Memory ............................................................................................... 1-21
Interrupt Controller .......................................................................................... 1-22
Video Controller .............................................................................................. 1-23
Video Memory................................................................................................. 1-23
EISA Bus ......................................................................................................... 1-23
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xv
1-6
1-6
1-6
1-7
1-7
1-7
1-8
1-9
1-9
1-9
1-9
1-9