Lenovo 0842C3U Personal Computer User Manual


 
Power supply
Your computer comes with one of the following power supplies:
v 280-watt auto-sensing power supply
v 280-watt power supply with a manual voltage-selection switch
v 320-watt auto-sensing power supply
Security features
v A power-on password and an administrator password to deter unauthorized use
of your computer
v Computrace
v Cover presence switch (also called intrusion switch) (available in some models)
v Enabling or disabling SATA devices
v Enabling or disabling the serial port
v Enabling or disabling USB connectors
v Keyboard with fingerprint reader (shipped with some models)
v Startup sequence control
v Startup without keyboard or mouse
v Support for the addition of an integrated cable lock (Kensington lock. See
“Integrated cable lock” on page 39 for more information.)
v Support for the addition of a padlock (see “Padlock” on page 40 for more
information)
Preinstalled software programs
Your computer is preinstalled with some software programs to help you work
more easily and securely. For more information, see “Software overview” on page
4.
Preinstalled operating system
Your computer is preinstalled with one of the following operating systems:
v Microsoft
®
Windows
®
7
v Microsoft Windows Vista
®
v Microsoft Windows XP Professional
(preinstalled through downgrade rights in Windows 7 Professional or Windows
Vista Business)
Operating system(s), certified or tested for compatibility
1
(varies by model type)
v Linux
®
1. The operating system(s) listed here are being certified or tested for compatibility at the time this publication goes to press.
Additional operating systems might be identified by Lenovo as compatible with your computer following the publication of this
manual. This list is subject to change. To determine if an operating system has been certified or tested for compatibility, check the
Web site of the operating system vendor.
Chapter 1. Product overview
3