Orange Pi 4 Pro Single Board Computer User Manual

1. Introduction

The Orange Pi 4 Pro is a high-performance single board computer (SBC) designed for a wide range of applications, from embedded systems and IoT projects to educational tools and mini PCs. Featuring an 8-core ARM processor, LPDDR5 RAM, a powerful NPU, and extensive connectivity options, it offers robust capabilities for developers and enthusiasts alike.

2. Key Features

• Processor: Allwinner A733 8-Core ARM (4x Cortex-A73 @ 2.0GHz, 4x Cortex-A53 @ 1.5GHz)
• Neural Processing Unit (NPU): 3 TOPS@INT8 for AI acceleration
• Memory: High-speed LPDDR5 RAM (available in 4GB, 6GB, 8GB, 12GB configurations)
• Graphics: Mali-G57 MC2 GPU
• Connectivity: Gigabit Ethernet, Wi-Fi 6 (802.11ax), Bluetooth 5.4
• Storage Expansion: M.2 M-Key slot (PCIe 2.0 x1) for NVMe SSDs, MicroSD card slot, optional eMMC
• Video Output: HDMI 2.0 (4K@60Hz) and DisplayPort 1.4 (4K@60Hz)
• Camera Interfaces: Dual MIPI CSI (4-lane each) for camera modules
• USB Ports: 2x USB 3.0 Type-A, 1x USB 2.0 Type-A, 1x USB 2.0 Type-C (OTG/Power)
• GPIO: 40-pin header for extensive peripheral connectivity
• Operating System Support: Compatible with Android, Ubuntu, and Debian distributions

3. Technical Specifications

4. Initial Setup

4.1. Package Contents

Before you begin, ensure all components are present:

• Orange Pi 4 Pro board
• (Optional, depending on package) Power adapter, MicroSD card, case, etc.

4.2. Preparing the Operating System

The Orange Pi 4 Pro does not come with a pre-installed operating system. You will need to flash an OS image (e.g., Android, Ubuntu, Debian) onto a MicroSD card or eMMC module.

1. Download the desired OS image from the official Orange Pi website.
2. Use a flashing tool (e.g., Etcher, Win32 Disk Imager) to write the image to a MicroSD card (Class 10 or higher recommended) or eMMC module.
3. Insert the prepared MicroSD card into the card slot on the Orange Pi 4 Pro. If using eMMC, ensure it is properly connected.

4.3. Connecting Peripherals

Before applying power, connect the necessary peripherals:

• Display: Connect an HDMI or DisplayPort cable from the Orange Pi 4 Pro to your monitor.
• Input Devices: Connect a USB keyboard and mouse to the USB Type-A ports.
• Network: For wired internet, connect an Ethernet cable to the Gigabit Ethernet port. For Wi-Fi, ensure your Wi-Fi antenna is connected (if external).
• Power Supply: Connect a 5V/4A USB Type-C power adapter to the USB Type-C power input port. Ensure the power supply is stable and provides sufficient current.

5. Operating Instructions

5.1. First Boot

Once all peripherals are connected and the OS is prepared, plug in the power adapter. The Orange Pi 4 Pro should automatically power on and begin booting the operating system. Follow any on-screen instructions for initial OS setup.

5.2. Basic Usage

• Network Configuration: If using Wi-Fi, configure your network connection through the OS settings. For Ethernet, it should typically connect automatically.
• Software Installation: Use the OS's package manager (e.g., apt for Debian/Ubuntu) or app store (for Android) to install desired software.
• GPIO Usage: For advanced projects, refer to the Orange Pi documentation for details on programming and utilizing the 40-pin GPIO header.
• M.2 SSD: If you've installed an M.2 NVMe SSD, you may need to format and mount it within your operating system before use.

6. Maintenance

• Cooling: The Orange Pi 4 Pro can generate heat under heavy load. Ensure adequate airflow around the board. For sustained high performance, consider adding a heatsink or a small fan.
• Software Updates: Regularly update your operating system and installed software to ensure security and optimal performance.
• Cleaning: Periodically clean the board to remove dust accumulation, which can hinder cooling. Use compressed air or a soft brush.
• Proper Shutdown: Always shut down the operating system gracefully before disconnecting power to prevent data corruption on your storage device.

7. Troubleshooting

7.1. No Power/No Boot

• Check Power Supply: Ensure you are using a 5V/4A USB Type-C power adapter. Lower power supplies may cause instability or prevent booting.
• Verify Connections: Double-check that the power cable is securely connected to the board and the outlet.
• SD Card/eMMC: Ensure the MicroSD card or eMMC module is properly inserted and contains a valid, uncorrupted OS image. Try re-flashing the OS image if issues persist.

7.2. No Display Output

• Monitor Connection: Confirm the HDMI or DisplayPort cable is securely connected to both the Orange Pi 4 Pro and your monitor.
• Monitor Input: Ensure your monitor is set to the correct input source (HDMI/DP).
• OS Image: Some OS images might have specific display configurations. Verify the image is compatible with your display setup.

7.3. Network Connectivity Issues

• Ethernet: Check the Ethernet cable connection and ensure your router/switch is functioning correctly.
• Wi-Fi: Verify Wi-Fi settings in the OS. Ensure the Wi-Fi antenna is properly connected (if applicable) and within range of your access point.

7.4. Peripherals Not Detected

• USB Devices: Try connecting USB devices to different USB ports. Ensure the devices are functional.
• Drivers: Some peripherals may require specific drivers to be installed in the operating system.

8. User Tips

• Always use a high-quality, stable 5V/4A USB Type-C power supply to ensure optimal performance and prevent unexpected shutdowns.
• Consider purchasing a protective case for your Orange Pi 4 Pro, especially if it will be used in a non-desktop environment or handled frequently. A case can also aid in heat dissipation.
• Before making significant changes to your OS or project, create a backup of your MicroSD card or eMMC image. This can save considerable time in case of system corruption.
• Explore the official Orange Pi forums and community resources for project ideas, troubleshooting assistance, and software support.

9. Warranty and Support

For information regarding product warranty, please refer to the terms and conditions provided by your retailer or the official Orange Pi website. Technical support and additional documentation can often be found on the official Orange Pi community forums and documentation pages.