Lenovo 4271 Personal Computer User Manual


 
Expansion
v One optical drive bay
v One PCI Express x1 card slot
v One PCI Express x4 card slot (x16 mechanical)
v Three hard disk drives
v Two PCI card slots
v Two PCI Express x16 card slots
Power supply
v 800-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 User password and administrator password to deter unauthorized use of your
computer
v Startup sequence control
v Startup without keyboard or mouse
v Support for a keylock
v Support for the addition of a padlock
v Support for the addition of an integrated cable lock (Kensington lock)
v Trusted Platform Module (TPM)
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 XP Professional
(preinstalled through downgrade rights in Windows 7 Professional)
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