NEC POWERMATE 8100 Series, Инструкция по обслуживанию и справочник

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vi Contents
System Board Removal and Replacement .....................................................................3-26
Removing the System Board....................................................................................3-26
Replacing the System Board....................................................................................3-27
Removing the Plastic Rail........................................................................................3-29
Riser Board Removal....................................................................................................3-30
CMOS Battery Removal...............................................................................................3-31
4 System Board
Connectors, Jumpers, and Sockets ................................................................................. 4-2
External Cable Connectors ....................................................................................... 4-2
Internal Connectors .................................................................................................. 4-3
System Board Jumpers ............................................................................................. 4-4
Changing Processor Speed ................................................................................ 4-4
Clearing a Password.......................................................................................... 4-6
BIOS Recovery................................................................................................. 4-7
Upgrade Sockets....................................................................................................... 4-8
Processor Socket ............................................................................................... 4-8
DIMM Sockets ................................................................................................. 4-8
Checking System Memory ...............................................................................4-10
Components .................................................................................................................4-10
Processor and Secondary Cache...............................................................................4-12
Pentium II Processor ........................................................................................4-12
Celeron Processor ............................................................................................4-13
Pentium III Processor.......................................................................................4-13
System BIOS...........................................................................................................4-13
System Memory ......................................................................................................4-14
Hardware Monitor ...................................................................................................4-14
Plug and Play ..........................................................................................................4-14
NLX Design ............................................................................................................4-15
ISA Bus...................................................................................................................4-15
PCI Local Bus .........................................................................................................4-15
PCI/IDE Ports .........................................................................................................4-15
Parallel Interface .....................................................................................................4-16
Serial Interface ........................................................................................................4-16
USB Interface..........................................................................................................4-17
Infrared Interface.....................................................................................................4-17
Graphics Capabilities...............................................................................................4-18
Accelerated Graphics Port .......................................................................................4-18
Graphics Controller .................................................................................................4-19
Motion Video Controller .........................................................................................4-19
Graphics Support.....................................................................................................4-19
Integrated Audio......................................................................................................4-20
Pin Assignments...........................................................................................................4-21
Keyboard and Mouse Connectors ............................................................................4-21
Universal Serial Bus Connectors..............................................................................4-22
Parallel Interface Connector.....................................................................................4-22
Serial Interface Connectors......................................................................................4-23
Microphone In Connector ........................................................................................4-23
Line In Connector....................................................................................................4-23
Line Out Connector .................................................................................................4-24
DIMM Sockets ........................................................................................................4-24