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Power supply
Your computer comes with one of the following power supplies:
v 280-watt power supply with manual voltage-selection switch
v 280-watt auto-sensing power supply
Security features
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 individually
v Keyboard with fingerprint reader (shipped with some models)
v Power-On Password (POP) and Administrator Password for BIOS access
v Startup sequence control
v Startup without keyboard or mouse
v Support for the addition of an integrated cable lock (Kensington lock)
v Support for the addition of a padlock
Preinstalled software programs
Your computer is preinstalled with some software programs to help you work. For
more information, see “Software overview” on page 5.
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, Windows 7
Ultimate, Windows Vista Business, or Windows Vista Ultimate)
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