Lenovo 2122 User Manual page 15

Input/Output (I/O) features
• One Ethernet connector
• One DVI monitor connector
• One optional 9-pin serial port
• One VGA monitor connector
• Six Universal Serial Bus (USB) connectors (two on the front panel and four on the rear panel)
• Three audio connectors on the rear panel (audio line-in connector, audio line-out connector, and
microphone connector)
• Two audio connectors on the front panel (microphone connector and headphone connector)
For more information, see "Locating connectors, controls, and indicators on the front of your computer" on
page 10 and "Locating connectors on the rear of your computer" on page 11.
Expansion
• One optical drive bay
• One PCI Express x16 graphics card slot
• Two hard disk drive bays (one standard and one optional)
• Two PCI Express x1 card slots
Power supply
Your computer comes with one of the following power supplies:
• 180-watt power supply with a manual voltage-selection switch
• 280-watt automatic voltage-sensing power supply
Security features
• Computrace Agent software embedded in firmware
• Ability to enable or disable a device
• Ability to enable and disable USB connectors individually
• Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized
use of your computer
• Startup sequence control
• Startup without keyboard or mouse
• Support for an integrated cable lock (Kensington lock)
• Support for a padlock
For more information, see Chapter 4 "Security" on page 27.
Preinstalled software programs
Your computer is preinstalled with software programs to help you work more easily and securely. For more
information, see "Lenovo programs" on page 5.
Preinstalled operating system
Your computer is preinstalled with one of the following operating systems:
• Microsoft Windows 7 operating system
.
Chapter 1 Product overview
3