Lenovo ThinkCentre A57 9702 User Manual page 28

Expansion
v Three drive bays
v One 32-bit PCI adapter connector
Power
v 280 Watt power supply with autosensing voltage switching
v Automatic 50/60 Hz input frequency switching
v Advanced Configuration and Power Interface (ACPI) support
Security features
v User and administrator passwords for BIOS access
v Support for the addition of an integrated cable lock (Kensington lock)
v Keyboard with fingerprint reader (some models, see the ThinkVantage
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 drive I/O control
v Serial and parallel port I/O control
v Security profile by device
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 XP Home
v Microsoft Windows XP Professional
v Microsoft Windows Vista
Operating systems, certified or tested for compatibility
Linux
3. 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.
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User Guide
Productivity Center program for more information)
3
(varies by model)