Lenovo ThinkCentre Edge 91z User Manual page 14

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.
• 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 an
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 (LAN).
• 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
• Six Universal Serial Bus (USB) connectors
• One Ethernet connector
• One HDMI out connector
• One VGA in monitor connector
• Two audio connectors (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 9.
Expansion
• One optical drive bay
• Two hard disk drive bays (one standard and one optional)
– One hard disk drive bay
– One small form factor mSATA SSD (option)
Power supply
Your computer comes with one of the following power supplies:
• 150- watt automatic voltage-sensing power supply for integrated graphic model
• 180- watt automatic voltage-sensing power supply for discrete graphic model
Security features
• Computrace Agent software embedded in firmware
• Ability to enable or disable a device
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ThinkCentre Edge User Guide