AOpen CHROMEBOX DE3255 User Manual page 17

3.2 Rear of Unit
6 1
7
1. DC in jack:
Use the included DC19V power adapter to power the unit.
2. DisplayPort:
DisplayPort is a digital display interface developed by the
Video Electronics Standards Association (VESA). A compatible
LCD panel display is typically connected to this port.
And it didn't support Dual-mode Displayport.
3. HDMI:
High-Definition Multimedia Interface is a proprietary audio/
video interface for transferring uncompressed video
data and compressed or uncompressed digital audio data to
an HDMI-compliant sink device. A compatible LCD panel
display is typically connected to this port.
2 3
DP HDMI
4 5 6
8
14