Lenovo 2117EKU manual Input/Output I/O features, Expansion

•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 44.

•Intel Matrix Storage Manager

Intel Matrix Storage Manager is a device driver that provides support for SATA RAID 5 arrays and SATA RAID 10 arrays on specific Intel chipset system boards to enhance hard disk performance.

•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.

•Smart Performance Choice

The Smart Performance Choice function enables your computer to run with better acoustic performance or better thermal performance. See “Smart performance choices” on page 44.

•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

•Four Universal Serial Bus (USB)connectors on the rear panel

•One 9-pin serial port

•One Ethernet connector

•Two audio connectors on the left panel (microphone connector and headphone connector)

•Two USB connectors on the left panel

For more information, see “Locating connectors, controls, and indicators on the front of your computer” on page 9 and “Locating connectors, controls, and indicators on the rear of your computer” on page 10.

Expansion

•One hard disk drive bay

•One optical drive bay

•One mini PCI Express x1 card slot

2ThinkCentre Edge User Guide