Lenovo ThinkCentre 5114 User Manual page 14

• PCI Fax modem (some models)
System management features
• Ability to store power-on self-test (POST) hardware test results
• 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.
• 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.
Input/Output (I/O) features
• 9-pin serial port
• Eight Universal Serial Bus (USB) connectors (three on the side, three on the rear panel, and two available
internal)
• One Ethernet 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 9 and "Locating connectors on the rear of your computer" on page 10.
Expansion
• One hard disk drive bay
• One optical drive bay
Power supply
Your computer comes with a 130-watt automatic voltage-sensing power supply.
Security features
• Computrace Agent software embedded in firmware
• Ability to enable or disable a device
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ThinkCentre User Guide