Toshiba NB305 - Manual (Page 66)

User’s Manual 4-18
Operating Basics
Heat dispersal
To protect from overheating, the CPU has an internal temperature sensor. If
the computer’s internal temperature rises to a certain level, the cooling fan
is turned on or the processing speed is lowered. You can select whether to
control the CPU temperature by turning on the fan first, then if necessary,
lowering the CPU speed. Or, by lowering the CPU speed first, then if
necessary, turning on the fan. These functions are controlled within the
Power Options.
When the CPU temperature falls to a normal range, the fan is turned off
and the CPU operation returns to standard speed.
Using the Hard Disk Drive (HDD) Protection
This computer has a function for reducing the risk of damage on the hard
disk drive.
Using an acceleration sensor built into the computer, TOSHIBA HDD
Protection detects vibration shocks and similar signs of movement of the
computer, and automatically moves the Hard Disk Drive head to a safe
position to reduce the risk of damage that could be caused by head-to-disk
contact.
When vibration is detected, a message will be displayed on the screen, and
the icon in the Taskbar notification area will changed to the protection state.
This message is displayed until the OK button is pressed or 30 seconds
pass. When vibration subsides, the icon returns to the normal state.
Taskbar icon
If the CPU temperature reaches an unacceptably high level with either
setting, the system automatically shuts down to prevent damage. Data in
memory will be lost.
The TOSHIBA HDD Protection function does not guarantee that the hard
disk drive will not be damaged.
State Icon Description
Normal TOSHIBA HDD Protection is enabled.
Protection TOSHIBA HDD Protection is active. The hard disk
drive head is in a safe position.
OFF TOSHIBA HDD Protection is disabled.