NEC Versa 6220 Service And Reference Manual page 7

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iv Contents
256K X Flash ROM ..............................................................................................1-19
VGA Controller ....................................................................................................1-19
Parallel Interface ...................................................................................................1-20
Keyboard Controller .............................................................................................1-20
PC CardBus Controller .........................................................................................1-20
Sound Integrated Circuit .......................................................................................1-20
Interrupt Controllers .............................................................................................1-21
Power Management Overview .....................................................................................1-22
System Power Management ..................................................................................1-23
Local Power Management.....................................................................................1-23
Plug and Play...............................................................................................................1-24
Specifications...............................................................................................................1-25
Section 2 Setup and Operation
Unpacking the System..................................................................................................2-1
Hardware Setup ...........................................................................................................2-1
Cable Connections ................................................................................................2-3
Power Sources.............................................................................................................2-4
Using the AC Adapter...........................................................................................2-4
Using the Main Battery Pack.................................................................................2-5
NEC VersaBay II Battery and Adapter Kit ............................................................2-11
Extending Battery Life ..........................................................................................2-11
Using the DC Car Adapter ....................................................................................2-11
Operating Controls ......................................................................................................2-12
LCD Status Bar ....................................................................................................2-13
Function Keys (Fn Keys).......................................................................................2-14
Smart Power Switch .............................................................................................2-14
ROM BIOS....................................................................................................1-19
Checking Battery Power Levels......................................................................2-5
What to Do When Battery Power Gets Low...................................................2-6
Returning the Battery to Full Operation..........................................................2-6
When to Change the Battery ..........................................................................2-6
Battery Handling ............................................................................................2-6
Replacing the Battery Pack ............................................................................2-7
Battery Precautions........................................................................................2-10
Recharging Battery Precautions......................................................................2-10
Status Icons ...................................................................................................2-13
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