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The NanoPi M4 supports Ubuntu Desktop 18.04(64-bit), Lubuntu 16.04(32-bit), Ubuntu Core 18.04(64-bit), Android 7.1 and Lubuntu Desktop with GPU and VPU acceleration.Both can be booted from either a TF card or an external eMMC module.

The NanoPi M4 has two RAM options: 4GB LPDDR3 and 2GB DDR3.

In addition it has a RPi compatible 40-pin connector, dual MIPI-CSI camera interface, PCIe x2, USB2.0 x2, eMMC socket, RTC port and etc.

The NanoPi M4 has an onboard 2.4G & 5G dual-band WiFi + Bluetooth 4.1 combo wireless module, four USB3.0 Type A host ports, one Gbps Ethernet port, one HDMI 2.0 Type A port, one 3.5mm audio jack and one Type-C port.

These features make it a good platform for rapid product prototyping and various applications. On a 85 x 56 mm compact board there are rich hardware resources. It has the same form of factor as the RPi B3+ and has ports and interfaces compatible with RPi B3+ too.

The NanoPi M4 is a RK3399 SoC based ARM board.

14.1.2 Flash Image to eMMC with eflasher and SD card.

13.9 Make Bootable SD Card for Mass Production.

13.8 Compile U-boot v2017.09 for Friendl圜ore-focal.

13.7 Compile U-boot v2014.10 for Friendl圜ore/FriendlyDesktop/Lubuntu/EFlasher.

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13.6 Compile Friendl圜ore/FriendlyDesktop/Lubuntu/EFlasher Kernel Source Code.

11.16.2 Step2: Auto Mount SSD on Android System Startup.

11.14 Work with USB Camera to Take Pictures and Record Video.

11.11 Adjust the volume of the recording.

11.7 HDMI resolution and overscan setting.

11.5 Android Neural Networks SDK Sample.

11.2 Use dual MIPI camera preview and video.

8.4 Connect NVME SSD High Speed Hard Disk.

8.3 Using ffmpeg (video hardware decoding).

8.1.5 Camera application tutorial: Push video stream.

8.1.3 gst-launch-1.0 parameter description.

8.1 Using Camera on Linux (MIPI Camera OV13850 & OV4689, and webcam logitect C920).

8 Features applicable to FriendlyDesktop and Friendl圜ore.

7.16 Mpv hardware decoding video player.

7.14 Change the behavior of the PWM fan.

7.13 Select the system default audio device.

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6.22 How to setup WiFiAP on FriendlyDesktop.

6.20 Login to the desktop as the root user.

6.19 Start the program automatically at startup.

6.16 Screen saver and auto sleep related settings.

6.14 Play RTSP video stream (or IP Camera).

6.13.5 Temporary switching during playback.

6.13.3 Set hdmi as the default output device.

6.13.2 Set headphone jack as the default output device.

6.13.1 View the current default output device.

6.13 Switch audio default output device.

6.7.1 Play with Qt Player with Hardware Decoding.6.4.1 Query which resolutions the display supports.