©2018 NEC Display Solutions, Ltd. Page 15 of 71
3.2 USB connections for programming the Compute Module
To program the Compute Module, an external “host” PC is connected to the USB2 output and the display
is placed into the special “USB Boot Mode” using the OSD. The Compute Module will then appear as a
USB device to the “host” PC, allowing the Compute Module to be programmed.
When not used for programming the Compute Module, the USB2 output on the display can be used to
control the display via USB from an external PC; depending on the PC SOURCE setting in the Control
USB function on the display’s OSD menu. See Related OSD on page 43.
Figure 3.2-1: Host USB Connection for Programming
C
ompute
Module
USB
Hub
Raspberry Pi
Compute Module
Interface Board
HDMI IN1
ENABLE / DISABLE
USB BOOT MODE
USB switch, hub, display
control, and other functions
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