Lenovo 4155 Personal Computer User Manual


 
Security features
v Cover presence switch (also called intrusion switch, some models)
v Keyboard with fingerprint reader (some models)
v Support for the addition of an integrated cable lock (Kensington lock)
v Serial port and parallel port I/O control
v Startup sequence control
v Startup without diskette drive, keyboard, or mouse
v Support to enable or disable a device
v Trusted Platform Module (TPM)
v User and administrator passwords for BIOS access
Software programs, preinstalled
Your computer might come with preinstalled software programs. If it does, an
operating system, device drivers to support built-in features, and other support
programs are included. For more information, see Chapter 4, “Software overview,”
on page 19.
Operating system, preinstalled
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 systems, certified or tested for compatibility
1
(varies by model type)
v Linux
®
1. The operating systems 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
booklet. Corrections and additions to this list are 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.
16 User Guide