Toshiba Portege R500 User Manual - Page 115

Technology which increases battery operating time, Maximizing battery operating time - bios key

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Power and Power-Up Modes Technology which increases battery operating time This computer is equipped with technology which increases battery operating time. The following functions allow for increased battery operating time. 1. Semi-transparent LCD ■ BackLight On/Off button (please refer to the Special features section in Chapter 3, Hardware, Utilities and Options.) ■ Multi-field Driving (BIOS Setup) (please refer to the BIOS Setup Program section in Chapter 7, HW Setup & BIOS Setup.) 2. ODD ■ Optical disc drive power on/off function (please refer to the Hot keys section in Chapter 5, The Keyboard.) 3. Performance/Battery Life Settings (BIOS Setup) (please refer to the BIOS Setup Program section in Chapter 7, HW Setup & BIOS Setup.) ■ Gfx Render Clock switching ■ Memory operating frequency switching 4. LAN ■ Built-in LAN Enable/Disable function (BIOS Setup) (please refer to the BIOS Setup Program section in Chapter 7, HW Setup & BIOS Setup.) Maximizing battery operating time A battery's usefulness depends on how long it can supply power on a single charge, while how long the charge lasts in a battery depends on: ■ Processor speed ■ Screen brightness ■ System Sleep Mode ■ System Hibernation Mode ■ Display power off period ■ Hard disk drive power off period ■ How often and for how long you use the hard disk drive and external disk(c) drives, for example, optical disc and floppy diskette drive. ■ How much charge the battery contained to begin with. ■ How you use optional devices, such as a PC Cards, to which the battery supplies power. ■ Whether you enable Sleep Mode, which can conserve battery power if you are frequently turning the computer off and on. ■ Where you store your programs and data. ■ Whether you close the display panel when you are not using the keyboard - closing the display saves power. ■ The environmental temperature - operating time decreases at low temperatures. User's Manual 6-8

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User’s Manual
6-8
Power and Power-Up Modes
Technology which increases battery operating time
This computer is equipped with technology which increases battery
operating time.
The following functions allow for increased battery operating time.
1.
Semi-transparent LCD
■
BackLight On/Off button (please refer to the
Special features
section in Chapter 3, Hardware, Utilities and Options.)
■
Multi-field Driving (BIOS Setup) (please refer to the
BIOS Setup
Program
section in Chapter 7, HW Setup & BIOS Setup.)
2.
ODD
■
Optical disc drive power on/off function (please refer to the
Hot keys
section in Chapter 5, The Keyboard.)
3.
Performance/Battery Life Settings (BIOS Setup) (please refer to the
BIOS Setup Program
section in Chapter 7, HW Setup & BIOS Setup.)
■
Gfx Render Clock switching
■
Memory operating frequency switching
4.
LAN
■
Built-in LAN Enable/Disable function (BIOS Setup) (please refer to
the
BIOS Setup Program
section in Chapter 7, HW Setup & BIOS
Setup.)
Maximizing battery operating time
A battery's usefulness depends on how long it can supply power on a
single charge, while how long the charge lasts in a battery depends on:
■
Processor speed
■
Screen brightness
■
System Sleep Mode
■
System Hibernation Mode
■
Display power off period
■
Hard disk drive power off period
■
How often and for how long you use the hard disk drive and external
disk(c) drives, for example, optical disc and floppy diskette drive.
■
How much charge the battery contained to begin with.
■
How you use optional devices, such as a PC Cards, to which the
battery supplies power.
■
Whether you enable Sleep Mode, which can conserve battery power if
you are frequently turning the computer off and on.
■
Where you store your programs and data.
■
Whether you close the display panel when you are not using the
keyboard - closing the display saves power.
■
The environmental temperature - operating time decreases at low
temperatures.