v Cover presence switch (some models)
v Startup sequence control
v Startup without diskette drive, keyboard, or mouse
v Unattended start mode
v Diskette and hard disk I/O control
v Serial and parallel port I/O control
Preinstalled
software
Your computer might come with preinstalled software. If it does, an operating
system, device drivers to support built-in features, and other support programs are
included.
Operating systems, preinstalled (varies by model)
Note: Not all countries or regions have these operating systems.
v Microsoft Windows Vista
®
Ultimate
Operating
systems, certified or tested for compatibility
1
(varies by model)
Microsoft Windows XP
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.
Chapter 3. Setting up your computer 15