Lenovo Think station 4223 User Manual page 15

• Ten Universal Serial Bus (USB) 2.0 connectors (two on the front panel and eight on the rear panel)
• Three audio connectors on the rear panel (audio line-in connector, audio line-out connector, and
microphone connector)
• Two Ethernet connectors
• Two audio connectors on the front panel (microphone connector and headphone connector)
• Two USB 3.0 connectors on the rear panel
For more information, see "Locating connectors, controls, and indicators on the front of your computer" on
page 6 and "Locating connectors on the rear of your computer" on page 8.
Expansion
• Five hard disk drive bays
• One card reader bay
• Three optical drive bays
• Two PCI card slots
• Two PCI Express x4 card slots (one slot is x16 mechanical)
• Two PCI Express x16 graphics card slots
Power supply
Your computer comes with 1120-watt automatic voltage-sensing power supply.
Security features
• Ability to enable or disable a device
• Ability to enable and disable USB 2.0 connectors individually
• Computrace Agent software embedded in firmware
• Cover presence switch (also called intrusion switch) (varies by model)
• 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
• Support for a keylock
• Trusted Platform Module (TPM)
For more information, see Chapter 4 "Security" on page 23.
Preinstalled software programs
Your computer is preinstalled with software programs to help you work more easily and securely. For more
information, see "Software overview" on page 5.
Preinstalled operating system
Your computer is preinstalled with the Microsoft
® ®
Windows 7 operating system.
.
Chapter 1 Product overview
3