Lenovo ThinkStation S20 User Manual page 19

• One Ethernet connector
• Two rear IEEE 1394 connectors (optional)
• Two audio connectors on the front panel (microphone connector and headphone connector)
• VGA or DVI monitor connector (requires video card)
Expansion
• Two optical drive bays
• One drive bay for either a 3.5-inch diskette drive or a card reader
• One 32-bit PCI card slot
• One PCI Express x1 card slot
• One PCI Express x4 card slot (mechanical x16)
• Two PCI Express 2.0 x16 card slots
• Three hard disk drive bays
Power
• 625-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)
• Support for the addition of an integrated cable lock (Kensington lock)
• Serial port and parallel port I/O control
• Startup sequence control
• Startup without diskette drive, keyboard, or mouse
• Support to enable or disable a device
• Trusted Platform Module (TPM)
• User and administrator passwords for BIOS access
Software programs, preinstalled
Your 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