Desktop Management Interface (DMI)

Desktop Management Interface provides a common path for users to access information about all aspects of a computer, including processor type, installation date, attached printers and other peripherals, power sources, and maintenance history.

ErP compliance mode

The energy-related products directive (ErP) compliance mode reduces the consumption of electricity when your computer is in standby or off mode. For more information, see “Enabling ErP compliance mode” on page 74.

Preboot Execution Environment (PXE)

The Preboot Execution Environment is an environment to start computers using a network interface independent of data storage devices (such as the hard disk drive) or installed operating systems.

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

The SM BIOS specification defines data structures and access methods in a BIOS that allows a user or application to store and retrieve information specific about the computer in question.

Wake on LAN

Wake on LAN is an Ethernet computer networking standard that allows a computer to be turned on or woken up by a network message. The message is usually sent by a program running on another computer on the same local area network.

Wake on Ring

Wake on Ring, sometimes referred to as Wake on Modem, is a specification that allows supported computers and devices to resume from sleep or hibernation mode.

Windows Management Instrumentation (WMI)

Windows Management Instrumentation is a set of extensions to the Windows Driver Model. It provides an operating system interface through which instrumented components provide information and notification.

Input/Output (I/O) features

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

Six Universal Serial Bus (USB) connectors (two on the front panel and four on the rear panel)

One Ethernet connector

One DVI connector

One VGA monitor connector

One Personal System/2 (PS/2) keyboard connector

One PS/2 mouse connector

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 (microphone connector and headphone connector)

For more information, see “Locating connectors, controls, and indicators on the front of your computer” on page 7 and “Locating connectors on the rear of your computer” on page 8.

Expansion

One hard disk drive bay

One optical drive bay

Two PCI Express x1 card slots

One PCI Express x16 graphics card slot

2ThinkCentre User Guide

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Lenovo 5039, 7339, 5033, 3167, 3171, 3147, 3143, 3154, 3132, 3134, 3157, 3176, 3140 manual Input/Output I/O features, Expansion