Lenovo ThinkStation D20 User Manual page 19

• 9-pin serial port
• USB connectors (eight rear and two front)
• Two Ethernet connectors
• Two IEEE 1394 connectors (one on the front panel and one on the rear panel)
• eSATA connector
• VGA or DVI monitor connector (requires video card)
• Eight audio connectors on the rear panel
• Two audio connectors on the front panel (microphone connector and headphone connector)
Expansion
• Five hard disk drive bays
• One drive bay for either a 3.5-inch diskette drive or a card reader
• One PCI Express x1 card slot
• One PCI Express x4 card slot (mechanical x16)
• Three optical drive bays
• Two PCI Express 2.0 x16 card slots
• Two 32-bit PCI card slots
Power
• 1060-watt auto-sensing power supply
• Automatic 50/60 Hz input frequency switching
• Advanced Configuration and Power Interface (ACPI) support
Security features
• Cover presence switch (also called intrusion switch, some models)
• Keyboard with fingerprint reader (some models)
• Serial port and parallel port I/O control
• Startup sequence control
• Startup without diskette drive, keyboard, or mouse
• Support for the addition of an integrated cable lock (Kensington lock)
• Support to enable or disable a device
• Trusted Platform Module (TPM)
• User password and administrator password for BIOS access
Software programs, preinstalledYour computer might come with preinstalled software programs. If it does,
an operating system, device drivers to support built-in features, and other support programs are included.
For more information, see Chapter 4 "Software overview" on page 15.
Operating system, preinstalled
• Microsoft Windows 7
• Microsoft Windows Vista
• Microsoft Windows XP Professional (preinstalled through downgrade rights in Windows 7 Professional,
Windows 7 Ultimate, Windows Vista Business, or Windows Vista Ultimate)
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Chapter 3 Setting up your computer