Toshiba Satellite U200 - Manual (Page 144)

7-10 User’s Manual
HW Setup
Enhanced C-States
This feature enables or disables the Enhanced C-States.
Execute-Disable Bit Capability
This setting, which is displayed on the first page of the setup screen,
configures the Execute-Disable Bit function of the CPU. This function is
specific to Intel processors and, when activated, helps to reduce security
threats to the computer by preventing certain classes of malicious “buffer
overflow” attacks when combined with a supporting operating system such
as Windows XP.
Security controller
The security controller settings are available in SYSTEM SETUP (2/2).
TPM (optional)
This setting enables or disables the security controller known as TPM
(Trusted Platform Module).
This option is displayed only on models with an Intel ® Core™ Duo
processor and Intel ® Core™ Solo processor.
Enabled
This lowers the power consumption (Default).
Disabled
This does not lower the power consumption.
Available
Makes the processor’s Execute-Disable Bit
Capability available for use.
Not Available
Disables the processor’s Execute-Disable Bit
Capability so that it is not available for use.
(Default).
System configuration changes, other than changes to this setting, should
be made within Windows by using applications such as TOSHIBA HW
Setup, TOSHIBA Password Utility, TOSHIBA Power Saver, Windows
Device Manager and so forth.
Enabled
Enables the TPM.
Disabled
Disables the TPM (Default).