Toshiba Tecra A6 PTA61C-CV001E Users Manual Canada; English - Page 138

HW Setup Execute-Disable Bit Capability This setting, which is displayed on the second 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. Enabled Makes the processor's Execute-Disable Bit Capability available for use. (Default). Disabled Disables the processor's Execute-Disable Bit Capability so that it is not available for use. 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. Security controller The security controller settings are available in BOIS SETUP Menu under Security page. TPM This setting enables or disables the security controller known as TPM (Trusted Platform Module). Enabled Enables the TPM. Disabled Disables the TPM (Default). Clear/Disable Security Chip This setting is used to erase the data in TPM when disposing of the computer or when the owner of the computer changes, etc. Once this operation is carried out, the TPM configuration settings are erased, such that the encrypted data can no longer be decrypted and the files can no longer be read. Please backup or delete the data as necessary before carrying out this operation. The operating procedure is as follows: 1. In BIOS, go to Security. 2. Select Trusted Platform Module Setting. 3. Select Clear Security Chip and press Enter. A dialog box appears. 4. Select Continue to clear Security Chip and reboot. Or select Cancel to go back to setup menu. This setting item only appears when Trusted Platform Support is set to Enabled. 7-6 TECRA A6