Lenovo 804 manual Connectivity, System management features, Input/Output I/O features, Expansion

Connectivity

• 10/100/1000 Mbps integrated Ethernet controller

System management features

•Ability to store the power-on self-test (POST) hardware test results

•Advanced Configuration and Power Interface (ACPI)

•Automatic power-on startup

•Desktop Management Interface (DMI)

•Intel Trusted Execution Technology (TXT)

•Preboot Execution Environment (PXE)

•System Management (SM) Basic Input/Output System (BIOS) and SM software

•Wake on LAN (WOL)

•Windows Management Instrumentation (WMI) (WMI is the infrastructure for management data and operations on Windows operating systems.)

Input/Output (I/O) features

•9-pin serial port (one standard and one optional)

•Ethernet connector

•Six Universal Serial Bus (USB) connectors (two USB connectors on the front panel and four USB connectors 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 (headphone connector and microphone connector)

•VGA monitor connector on the rear panel

For more information, refer to “Locating connectors, controls, and indicators on the front of your computer” on page 6 and “Locating connectors and parts on the rear of your computer” on page 7.

Expansion

•One hard disk drive bay

•One optical drive bay

•One PCI Express x1 card slot

•One PCI Express x16 graphics card slot

•One slim card reader drive bay

•Two PCI card slots

Power supply Your computer comes with one of the following power supplies:

• 240-watt universal input power supply

Security features

•A power-on password and an administrator password to deter unauthorized use of your computer

•Computrace

•Cover presence switch (also called intrusion switch) (available in some models)

•Enabling or disabling SATA devices

2ThinkCentre User Guide