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Audio 25
Securing your computer 26
Security notch 26
Passwords 26
2 Operating on battery power 29
Battery pack 31
Battery pack characteristics 31
Installing and removing the battery pack 32
Charging the battery 32
Charging modes 32
Checking the battery level 33
Using the Windows battery meter 33
Optimizing battery life 33
Battery-low warning 34
Power management 36
Advanced Configuration and Power Interface 36
Power management modes 36
Sleep mode (ACPI) 36
Display standby mode 37
Hard disk standby mode 37
Standby mode 37
Hibernation mode 38
3 Peripherals and options 41
External monitor 43
Using simultaneous display 43
Enabling simultaneous display 43
External keyboard 44
External keypad 45
External pointing device 46
External PS/2 mouse 46
External serial mouse 46
Printer 47
Audio devices 48
PC cards 49
USB devices 50
Miscellaneous options 51
Additional power packs 51
Battery pack 51
AC adapter 51
Cables 51
PS/2 Y-bridge cable 51