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Compaq nc6120 Hardware and Software Guide - Page 55

Power Scheme, Processor, Performance While on, External Power, Battery Power - laptop

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Power After a power scheme has been set, no other intervention is required to control the performance of your notebook processor. The following table describes the processor performance on external and battery power for the available power schemes. Power Scheme Home/Office Desk Portable/Laptop Presentation Always On Minimal Power Management Max Battery Processor Performance While on External Power Always runs at the highest performance state. Performance state is determined based on CPU demand. Performance state is determined based on CPU demand. Always runs at the highest performance state. Performance state is determined based on CPU demand. Performance state is determined based on CPU demand. Processor Performance While on Battery Power Performance state is determined based on CPU demand. Performance state is determined based on CPU demand. CPU performance is lower on battery power, then steadily decreases as the battery discharges. Always runs at the highest performance state. Performance state is determined based on CPU demand. CPU performance is lower on battery power, then steadily decreases as the battery discharges. 2-18 Hardware and Software Guide

Section	Page
Contents	3
Notebook Features	11
Top Components	12
Lights	12
Pointing Devices	16
Buttons and Switches	18
Keys	22
Front Components	23
Wireless Antennae (Select Models Only)	25
Rear Components	26
Right-Side Components	28
Left-Side Components	30
Bottom Components	33
Additional Hardware Components	36
Labels	37
Power	38
Power Control and Light Locations	38
Power Sources	41
Standby and Hibernation	42
Standby	42
Hibernation	43
Initiating Standby, Hibernation or Shutdown	44
When You Leave Your Work	44
When the Power Supply Is Uncertain	45
When Using Infrared Communication or Drive Media	45
Default Power Settings	46
Turning the Notebook or Display On or Off	47
Initiating or Resuming from Standby	48
Initiating or Restoring from Hibernation	49
Using Emergency Shutdown Procedures	51
Power Options	51
Accessing the Power Options Properties	52
Displaying the Power Meter Icon	52
Setting or Changing a Power Scheme	53
Using a Security Password	53
Processor Performance Controls	54
Battery Packs	56
Identifying Battery Packs	57
Inserting or Removing a Primary Battery Pack	58
Charging Battery Packs	60
Charging a New Battery Pack	61
Charging an In-Use Battery Pack	61
Monitoring the Charge of a Battery Pack	62
Obtaining Accurate Charge Information	62
Displaying Charge Information on the Screen	62
Managing Low-Battery Conditions	64
Identifying Low-Battery Conditions	64
Resolving Low-Battery Conditions	65
Calibrating a Battery Pack	66
When to Calibrate	66
How to Calibrate	66
Conserving Battery Power	70
Conserving Power As You Work	70
Selecting Power Conservation Settings	71
Storing a Battery Pack	72
Disposing of a Used Battery Pack	73
Pointing Devices and Keyboard	74
Pointing Devices	74
TouchPad (Select Models Only)	74
Pointing Stick (Select Models Only)	76
Using an External Mouse	78
Setting Mouse Preferences	78
Hotkeys	79
Hotkey and Shortcut Key Quick Reference	80
Initiating Standby (fn+f3)	81
Switching Displays (fn+f4)	82
Viewing Battery Charge Information (fn+f8)	82
Decreasing Screen Brightness (fn+f9)	83
Increasing Screen Brightness (fn+f10)	83
Displaying System Information (fn+esc)	83
Using Hotkeys with External Keyboards	83
Quick Launch Buttons (Select Models Only)	84
Keypads	85
Using the Embedded Numeric Keypad	86
Using an External Keypad	87
Multimedia	88
Audio Features	88
Using the Audio-In (Microphone) Jack	91
Using the Audio-Out (Headphone) Jack	91
Adjusting the Volume	92
Video Features (Select Models Only)	93
Using the S-Video-out Jack	94
Connecting a Monitor or Projector	95
Multimedia Software	96
Observing the Copyright Warning	96
Installing Software	97
Enabling AutoPlay	98
Using Windows Media Player	98
Using WinDVD Player	99
Using WinDVD Creator Plus (Select Models Only)	99
Using Sonic RecordNow!	100
Changing DVD Region Settings (Select Models Only)	100
Presentation Mode (Select Models Only)	103
Quick Launch Buttons Control Panel	105
Accessing the Quick Launch Buttons Control Panel	105
Setting Presentation Mode Preferences (Select Models Only)	106
Setting Tiling Preferences	108
Setting Advanced Preferences	109
Info Center (Select Models Only)	111
Hardware Components	112
Drives	112
Caring for Drives	112
Adding a Drive to the System	114
Identifying the IDE Drive Light	115
Replacing the Hard Drive	116
Inserting and Removing Optical Discs (Select Models Only)	120
Displaying Optical Disc Contents (Select Models Only)	124
Avoiding Standby or Hibernation	124
Using PC Cards	125
Inserting a PC Card	126
Removing a PC Card	127
Using Digital Memory Cards (Select Models Only)	128
Inserting an Optional Digital Memory Card	129
Removing an Optional Digital Memory Card	130
Adding and Upgrading Memory Modules	131
Adding a Memory Module to the Expansion Memory Module Slot	132
Upgrading the Memory Module in the Primary Memory Module Slot	137
Effects of Increasing Memory	145
Connecting a Modem Cable	146
Using a Modem Cable	147
Using a Country-Specific Adapter	148
Connecting a Network Cable	149
Linking to An Infrared Device (Select Models Only)	150
Setting Up an Infrared Transmission	151
Using Standby with Infrared	152
Connecting a USB Device	152
Using a USB Device	154
Enabling USB Legacy Support	154
Connecting Optional External Devices	155
Connecting an Optional External MultiBay and External MultiBay II	156
Mobile Printing for Notebooks	156
Wireless	157
Wireless Local Area Network (Select Models Only)	160
Connecting Your Wireless Notebook to a Corporate WLAN	161
Connecting Your Wireless Notebook to a Public WLAN	161
Setting Up a WLAN in Your Home	162
Using a WLAN Connection	163
Using Wireless Security Features	164
Installing Wireless Software (Optional)	164
Troubleshooting 802.11 Wireless Devices	166
Bluetooth Wireless Device (Select Models Only)	167
Turning On, Turning Off, Enabling and Disabling the 802.11 and Bluetooth Wireless Devices	169
Turning On the 802.11 Wireless and Bluetooth Devices	171
Turning Off and Disabling the 802.11 Wireless and Bluetooth Devices	173
Security	174
Security Features	174
Security Preferences in Computer Setup	176
Passwords	177
HP and Windows Passwords	177
HP and Windows Password Guidelines	179
HP Administrator Passwords	180
Setting HP Administrator Passwords	181
Entering HP Administrator Passwords	181
Power-On Passwords	182
Setting Power-On Passwords	182
Entering Power-On Passwords	183
Requiring a Power-On Password at Restart	184
DriveLock	185
Setting DriveLock Passwords	186
Entering DriveLock Passwords	187
Requiring a Drivelock Password at Restart	187
Changing DriveLock Passwords	188
Removing DriveLock Protection	190
Device Security	191
System Information	191
Setting System Information Options	192
Antivirus Software	193
Firewall Software	194
Critical Security Updates for Windows XP	196
ProtectTools Security Manager (Select Models Only)	197
Credential Manager for ProtectTools	197
BIOS Configuration for ProtectTools	198
Smart Card Security for ProtectTools	199
Optional Security Cable	200
MultiBoot	201
Default Boot Sequence	202
Enabling Bootable Devices in Computer Setup	204
Boot Order Change Considerations	205
MultiBoot Preferences	206
Setting a New Default Boot Order	206
Setting a MultiBoot Express Prompt	207
Entering MultiBoot Express Preferences	208
Computer Setup	209
Using Computer Setup	209
Computer Setup Access	210
Computer Setup Defaults	211
File Menu	212
Security Menu	213
Tools Menu	214
Advanced Menu	214
Client Management Solutions	216
Configuration and Deployment	217
Client Manager Software	218
Software Update and Recovery	219
Software Updates	219
Accessing Computer Information	220
Obtaining the Support Software CD	221
Software Updates and the HP Web Site	221
System Recovery	226
Safeguarding Your Data	226
Altiris Local Recovery	226
Using System Restore Points	227
Reinstalling Applications	229
Repairing the Operating System	231
Reinstalling the Operating System	232
Reinstalling Device Drivers and Other Software	233
Specifications	234
Operating Environment	234
Rated Input Power	235