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