Lenovo IdeaCentre B520 User Manual page 14

USB connector
Network adapter
connector
TV-Tuner connector
(IEC type)
TV antenna
connector (F type)
1.5.7 Connect the power cords properly to grounded electrical
outlets.
1.5.8 Your computer is equipped with a Memory Card Reader
Connector, it is able to read/write data from:
MS/MS Pro/MSXC/MMC/SD/SDHC/SDXC
Use this connector to attach a device that requires a
USB connection.
Use this connector to attach the computer to an
ethernet-type local area network.
Only supported on systems with optional TV tuner
card (Some models are equipped with this connector).
To connect the signal input cable for CATV (Some
models are equipped with this connector).
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User Guide