Lenovo 6491 User Manual page 35

v Six USB connectors (two on front panel and four on rear panel)
v Standard mouse connector
v Standard keyboard connector
v Ethernet connector
v VGA monitor connector
v Three audio connectors (line in, line out, and microphone) on rear panel
v Two audio connectors (microphone and headphone) on front panel
Expansion
v Three drive bays
v Two low-profile 32-bit PCI adapter connectors
v One low-profile PCI Express x1 adapter connector
v One low-profile PCI Express x16 graphics adapter connector
Power
v 180 Watt power supply with manual voltage selection switch (some models)
v 220 Watt power supply with manual voltage selection switch (some models)
v Automatic 50/60 Hz input frequency switching
v Advanced Power Management support
v Advanced Configuration and Power Interface (ACPI) support
Security features
v User and administrator passwords for BIOS access
v Support for the addition of a padlock to secure the computer cover
v Support for the addition of an integrated cable lock (Kensington lock) to secure
the computer cover
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 XP Home
v Microsoft Windows XP Professional
™
v Microsoft Windows Vista
15
Chapter 3. Installing options