D3plug User Guide
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(3) Testing the access speed of the usb3.0 ports
#hdparm-t /dev/sdc1
7.
HDMI test
(1) Connect the Keyboard and Mouse to the D3plug via usb ports.
(2) Connect the D3plug board to the display monitor using the HDMI cable.
Normally you will see the Ubuntu Linux Desktop as shown and control the system by using keyboard and mouse.
You may also playback a video with 1080p resolution