Lenovo ThinkCentre M920t User Manual And Hardware Maintenance Manual page 6

Used to eject the tray of the optical drive. After you insert a disc into the tray, press the eject/close button to
close the tray.
2
Optical drive status indicator
This indicator is on when the optical drive is in use.
3 Front-access storage enclosure
Used to provide access to the hot-swappable storage drive.
4 Card reader slot
Used to read data from a supported memory card.
5
USB 3.1 Gen 1 Type-C connector
Used to connect a USB-compatible device, such as a USB keyboard, mouse, scanner, printer, or personal
digital assistant (PDA). For optimal data transfer, connect a USB 3.1 Gen 1 device to a USB 3.1 Gen 1
connector instead of a USB 2.0 connector.
6 Power button
Used to turn on your computer. When you cannot shut down the computer from the operating system, press
and hold the power button for four or more seconds to turn off the computer.
7 Power indicator
This indicator is on when the computer is on.
8
Storage drive activity indicator
This indicator is on when the storage drive is in use.
9 Microphone connector
Used to connect a microphone to your computer. You can use the microphone to record sounds or interact
with the computer using speech-recognition software.
10 Headset connector
Used to connect headset to your computer.
11 USB 3.1 Gen 1 connectors
Used to connect a USB-compatible device. For optimal data transfer, connect a USB 3.1 Gen 1 device to a
USB 3.1 Gen 2 or USB 3.1 Gen 1 connector instead of a USB 2.0 connector.
12 USB 3.1 Gen 2 connectors
Used to connect a USB-compatible device. For optimal data transfer, connect a USB 3.1 Gen 2 device to a
USB 3.1 Gen 2 connector instead of a USB 3.1 Gen 1 or USB 2.0 connector.
13 Illuminated red dot
This indicator is on when the computer is on.
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M920t User Guide and Hardware Maintenance Manual