Lenovo ThinkStation S30, Руководство пользователя

Страница: 45 / 150

Chapter 4. Security
This chapter provides information about how to protect your computer from theft and unauthorized use.
Security features
The following security features are available on your computer:
• Cover presence switch (also called intrusion switch) (Optional)
The cover presence switch prevents your computer from logging in to the operating system when the
computer cover is not properly installed or closed. To enable the cover presence switch connector
on the system board, to the following:
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 75.
2. Set the Administrator Password. See “Setting, changing, and deleting a password” on page 76.
3. From the Security submenu, select Chassis Intrusion Detection ➙ Enabled . The cover presence
switch connector on the system board is enabled.
When the cover presence switch detects that your computer cover is not properly installed or closed
when you turn on the computer, an error message will be displayed. To bypass the error message and
log in to the operating system, do the following:
1. Properly install or close your computer cover. See “Completing the parts replacement” on page 65.
2. Press F1 to enter the Setup Utility program. Then press F10 to save and exit the Setup Utility
program. The error message will not be displayed again.
• Ability to enable and disable devices and USB connectors
For more information, see “Enabling or disabling a device” on page 77.
• Startup sequence control
For more information, see “Selecting or changing the startup device sequence” on page 78.
• Startup without keyboard or mouse
Your computer is able to log in to the operating system without keyboard or mouse connected.
• Trusted Platform Module (TPM)
Trusted Platform Module is a secure cryptoprocessor that can store cryptographic keys that protect
information stored in your computer.
© Copyright Lenovo 2011, 2014 33