Lenovo ThinkCentre M77 2227 SFF User Manual page 15

Expansion
• One hard disk drive bay
• One optical drive bay
• One PCI card slot
• Two PCI Express x1 card slots
• One PCI Express x16 graphics card slot
Power supply
Your computer comes with 240-watt automatic voltage-sensing power supply.
Security features
• Computrace Agent software embedded in firmware
• Cover presence switch (also called intrusion switch)
• Ability to enable or disable SATA devices
• Ability to enable and disable USB connectors individually
• Keyboard with fingerprint reader (shipped with some models)
• 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)
• 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 4.
Preinstalled operating system
Your computer is preinstalled with the Microsoft
Operating system(s), certified or tested for compatibility
®
• Linux
• Microsoft Windows XP Professional SP 3
1. The operating system(s) listed here are being certified or tested for compatibility at the time this publication goes to
press. Additional operating systems might be identified by Lenovo as compatible with your computer following the
publication of this manual. This list is subject to change. To determine if an operating system has been certified or
tested for compatibility, check the Web site of the operating system vendor.
® ®
Windows 7 operating system.
1 (varies by model type)
.
Chapter 1 Product overview
3